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#4-40 Flat Head Cap Screws
Flat Head Socket Cap Screws are designed to be seated in countersunk holes, and align flush with the surface of the assembly when installed. Flat head socket cap screws have a flat top surface, an indented hex and a conical bearing surface with a head angle of 82°. Flat head socket cap screws are commonly used in machine parts, die fixturing, and clamping.
35,054 Flat Head Socket Cap Screw, showing 200, (click on any line for more information)
| Buy Flat Head Cap Screws from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/4 | 4-40 x 1-1/4 flat socket cap screw 18-8 stainless steel | 100 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 | 4-40 x 1 flat socket cap 18-8 stainless steel | 1167 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 1 1/4 | 4-40 x 1 1/4 flt hd sckt cap alloy blk oxide | 88 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 1/8 | 4-40 x 1/8 flat head socket cap alloy steel black oxide | 200 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/8 | 4-40 x 1/8 flat head socket screw undercut stain s | 31 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | 4-40 x 1/8 flt hd sckt cap undercut s/s black | 197 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/2 | 4-40 x 1 1/2 flt hd sckt cap stainless steel | 159 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 3/16 | 4-40 x 3/16 flat head socket screw alloy blk oxide | 193 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 flat head socket cap screw 18-8 stainless steel | 810 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40 x 1/4 flt hd sckt cap alloy zinc pltd | 1450 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat head socket cap screw 18-8 stainless steel | 2587 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/16 1/16 | 4-40 x 5/16 flat head machine screw (2a) w/ 1/16 socket drive-nylon patched | 73000 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 5/16 | 4-40 x 5/16 flt hd sckt cap alloy blk oxide | 50 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 flat head socket screw stain steel | 2871 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 1/16 | 4-40 x 3/8 flat head machine screw (2a) w/ 1/16 socket drive-nylon patched | 40000 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1/2 | 4-40 x 1/2 flt hd sckt cap 316 stainless steel | 50 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 flat head socket screw unbrako alloy | 100 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | 4-40 x 5/8 flat head socket screw unbrako alloy | 100 |
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| YANKEE | NH | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 5/8 | 4-40 x 5/8 flat head socket screw alloy black oxid | 125 |
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| YANKEE | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40 x 5/8 flat head socket screw 18-8 stainless steel | 2285 |
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| Endries | WI | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 18-8 s/s steel flat socket head cap screw | 300 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 tx plus flt hd cap screw ally camcar 354-5406-01 (STEEL BLACK OX - EDP-34395) (STEEL BLACK OX - EDP-34395) | 1211 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat hd soc cap (ALLOY STL) (ALLOY STL) | 3452 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat hd soc cap (18-8) (18-8) | 877 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 pin-in-hex flt hd soc cap (18-8 SS) (18-8 SS) | 30540 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/16 | 4-40 x 5/16 flat hd soc cap (18-8) (18-8) | 11000 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat hd soc cap (ALLOY STL) (ALLOY STL) | 2060 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat hd soc cap (18-8) (18-8) | 2256 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 pin-in-hex flt hd soc cap (18-8 SS) (18-8 SS) | 6500 |
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| Century | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 flat hd soc cap (ALLOY STL) (ALLOY STL) | 1000 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | #4-40x1/4 flat stl pln b18.2.1 b18.3 () () () | 993 |
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| GLF | OH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | #4-40x3/8 flat 18-8 s/s b18.2.1 b18.3 () () () | 406 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/16 | #4-40x5/16 flat stl pln b18.2.1 b18.3 () () () | 1279 |
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| Century | FL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | ms24671-2 4-40 x 3/8 flt hd soc cap ss (4-40 X 3/8 FLT HD SOC CAP SS) (4-40 X 3/8 FLT HD SOC CAP SS) | 978 |
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| Jackson | MS | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | nc flat socket c/s | 50 |
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| Jackson | MS | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | nc flat socket c/s | 303 |
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| Jackson | MS | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | nc flat socket c/s | 268 |
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| Jackson | MS | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/4 | nc flat socket c/s | 200 |
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| Jackson | MS | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1 | nc flat socket c/s | 484 |
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| Jackson | MS | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | nc flat socket c/s 18-8 304 | 104 |
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| MAINSOURC | NH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 flat soc cap screw 18-8 ss | 350 |
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| MAINSOURC | NH | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 3/8 | 4-40x3/8 flat soc cap screw stl blk | 100 |
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| MAINSOURC | NH | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 7/8 | 4-40x7/8 flat soc cap screw stl blk | 100 |
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| Weaver | WA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 flat hd socket c/s 18-8 ss | 81 |
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| Weaver | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40x1/4 flat hd socket c/s plain | 569 |
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| Weaver | WA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 flat hd socket c/s 18-8 ss | 2259 |
|
| Weaver | WA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 flat hd socket c/s 18-8 ss | 400 |
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| Weaver | WA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 flat hd socket c/s 18-8 ss | 1076 |
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| Weaver | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40x1/2 flat hd socket c/s plain | 377 |
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| Weaver | WA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 flat hd socket c/s 18-8 ss | 146 |
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| Weaver | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | 4-40x5/8 flat hd socket c/s plain | 392 |
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| Weaver | WA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40x5/8 flat hd socket c/s 18-8 ss | 200 |
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| Weaver | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/4 | 4-40x3/4 flat hd socket c/s plain | 421 |
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| Weaver | WA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40x3/4 flat hd socket c/s 18-8 ss | 149 |
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| Weaver | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1 | 4-40x1 flat hd socket c/s plain | 100 |
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| MESAFAST | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | flat socket c/s | 3,594.0 |
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| MESAFAST | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | flat socket c/s | 100.0 |
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | Steel | Zinc/Black | #4-40 x 1/4 | 4-40 x 1/4 flat steel soc cap .0002 min zinc trivalent black b18.2.1 b18.3 | 836 |
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat soc c/s b18.2.1 b18.3 | 2500 |
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | Steel | Zinc/Black | #4-40 x 1/2 | 4-40 x 1/2 flat steel soc cap .0002 min zinc trivalent black b18.2.1 b18.3 | 400 |
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | Steel | Zinc/Black | #4-40 x 5/16 | 4-40 x 5/16 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.3 | 2200 |
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | Steel | Zinc/Black | #4-40 x 3/8 | 4-40 x 3/8 flat soc c/s stl .0002 min zinc trivalent black b18.2.1 b18.3 | 4700 |
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| Set Screw | IL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | flat socket c/s | inquire |
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| Set Screw | IL | Flat Head Socket Cap Screw | St eel | Plain | #4-40 x 3/8 | flat socket c/s zinklad 1000b | inquire |
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| Set Screw | IL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | flat socket c/s | inquire |
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| Set Screw | IL | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 1/2 | flat socket c/s zinklad black (8 hrs bake) | inquire |
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| Set Screw | IL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | flat socket c/s | inquire |
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| Set Screw | IL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 18-8 304 flat hex socket c/s | inquire |
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| Set Screw | IL | Flat Head Socket Cap Screw | Steel | Zinc/Black | #4-40 x 3/8 | #4-40x3/8 alloy flat head socket cap screw black zinc and bake | inquire |
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| American | NY | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 9/16 | flat socket cap | 98000 |
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| GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1 1/4 | #4-40x1-1/4 flat stl pln b18.2.1 b18.3 () () () | 1550 |
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| RCFast | AZ | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | flat socket cap 18-8 304 | 1300 |
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| RCFast | AZ | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | flat socket cap 18-8 304 | 500 |
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| RCFast | AZ | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | flat socket cap 18-8 304 | 200 |
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| RCFast | AZ | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | flat socket cap 18-8 304 | 700 |
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| RCFast | AZ | Flat Head Socket Cap Screw | Steel | Zinc/Yellow | #4-40 x 1/4 | torx flat 100 deg m/s stl (t-8) | 1940 |
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| RCFast | AZ | Flat Head Socket Cap Screw | Steel | Zinc/Clear | #4-40 x 1/4 | torx flat 100 deg m/s stl 1 (t-8) rohs | 32000 |
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40 x 3/4 flat socket capscrew ss b18.2.1 b18.3 | 1500 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/16 | 4-40 x 3/16 flat soc cap screw alloy b18.2.1 b18.3 | 2530 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat soc cap screw s/s b18.2.1 b18.3 | 427 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 232 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 flat soc cap screw s/s b18.2.1 b18.3 | 978 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/16 | 4-40 x 5/16 flat soc cap screw alloy b18.2.1 b18.3 | 2100 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat soc cap screw s/s b18.2.1 b18.3 | 513 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat soc cap screw alloy b18.2.1 b18.3 | 322 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 flat soc cap screw s/s b18.2.1 b18.3 | 400 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 flat soc cap screw alloy b18.2.1 b18.3 | 2000 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/4 | 4-40 x 3/4 flat soc cap screw alloy b18.2.1 b18.3 | 185 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1 | 4-40 x 1 flat soc cap screw alloy b18.2.1 b18.3 | 200 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 flt soc cap s/s b18.2.1 b18.3 | 542 |
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| ASMC | IL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | #4-40x5/8 coarse socket flat hd cap screw ss18-8 b18.2.1 b18.3 | 1,864 |
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| Olander | CA | Flat Head Socket Cap Screw | Steel | Zinc/Black | #4-40 x 3/8 | 4-40 x 3/8 flat soc blk zn rohs alloy () () | 1021 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat soc cap screw s/s b18.2.1 b18.3 | 200 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 flat soc cap screw s/s b18.2.1 b18.3 | 500 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/16 | 4-40 x 5/16 flat soc cap screw alloy b18.2.1 b18.3 | 600 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat soc cap screw s/s b18.2.1 b18.3 | 300 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat soc cap screw alloy b18.2.1 b18.3 | 100 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 flat soc cap screw s/s b18.2.1 b18.3 | 100 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 flat soc cap screw alloy b18.2.1 b18.3 | 85 |
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| ACCURATE | IL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | coarse flat socket c/s 18-8 304 | 500 |
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| METRO IND | OH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat skt c/s s/s | 146 |
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| METRO IND | OH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | flat skt c/s s/s | 96 |
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| METRO IND | OH | Flat Head Socket Cap Screw | Steel | Zinc/Clear | #4-40 x 1/4 | flat skt c/s | 75 |
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| METRO IND | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | flat skt c/s | 200 |
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| METRO IND | OH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | flat skt c/s s/s | 400 |
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| METRO IND | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1 | flat skt c/s | 498 |
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| METRO IND | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/4 | flat skt c/s | 300 |
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| METRO IND | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | flat skt c/s | 100 |
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| METRO IND | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/16 | flat skt c/s | 12 |
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| Set Screw | IL | Flat Head Socket Cap Screw | Steel | Zinc/Clear | #4-40 x 3/8 | flat socket c/s nanomate b1000 | 3080 |
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| SII | IN | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat head socket cap screw) | 1100 |
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| SII | IN | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat head socket cap screw) | 3200 |
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| SII | IN | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 fhscs) | 400 |
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| SII | IN | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | #4-40x3/16 non-standard flat socket caps unc 18-8 304 a2 b18.2.1 b18.3 | 1900 |
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| Purchase | MO | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat skt c/s plain steel | 2100 |
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| JHP Fasteners | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | screw flat head cap 4-40x1/4 s/s | 1680 |
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| JHP Fasteners | TX | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | screw flat head cap 4-40x5/8 steel plain finish | 410 |
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| JHP Fasteners | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | screw flat socket cap 4-40x3/4 s/s | 150 |
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| JHP Fasteners | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | screw flat head cap 4-40x3/8 s/s | 482 |
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| RePneu To | MI | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | #4-40x1/2 (ft) flat socket caps unc alloy thermal black oxide | 91 |
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| RePneu To | MI | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 7/16 | #4-40x7/16 (ft) flat socket caps unc alloy thermal black oxide | 91 |
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| RePneu To | MI | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | #4-40x1/4 (ft) flat socket caps unc 18-8 304 a2 | 2500 |
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| HBBOLT | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | flat socket c/s 18-8 ss | 400 |
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| HBBOLT | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/16 | flat | 70 |
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| HBBOLT | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1 1/4 | flat socket c/s | 50 |
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| HBBOLT | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | flat socket c/s | 50 |
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| HBBOLT | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | flat socket c/s undercut 18-8 ss | 600 |
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| QFC | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4/40x3/8 18-8ss flat hd skt cap b18.2.1 b18.3 | 400 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4/40 x 1/4 flat hd socket cap screws b18.2.1 b18.3 | 200 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4/40 x 3/8 flat hd socket cap screws b18.2.1 b18.3 | 400 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4/40 x 1/4 flat socket cap screw 18-8 ss b18.2.1 b18.3 | 65 |
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| TSF | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | flat soc cap 18-8 s/s 4-40x3/8 | 7593 |
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| TSF | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | flat soc hd cap ss 4-40 x 3/16 | 500 |
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| TSF | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | flat soc cap 18-8 ss 440 x 5/16 | 200 |
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| TSF | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | flat soc cap ss 440 x 1/2 | 6800 |
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| TSF | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | flat soc cap 18-8 ss 440 x 5/8 | 6600 |
|
| TSF | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 | flat soc hd cap screw stainless steel 4-40 x 1 | 1680 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40x1/2 camcar flat plain 14398 | 200 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40x3/8 6-lobe flat thermal black | 1465 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 unbrako s/s flat 16991-94c-8-0 | 900 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/8 | 4-40x1/8 flat thermal black | 100 |
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| ACF | CA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1/4 | 4-40x1/4 s/s flat 316 | 100 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40x1/4 flat thermal black | 7200 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 s/s flat patch | 500 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | 4-40x5/8 flat thermal black | 74 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 s/s flat | 135 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 s/s flat | 1246 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 7/16 | 4-40x7/16 flat thermal black | 245 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 s/s flat | 69 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40x5/8 s/s flat | 97 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | 4-40x7/16 s/s flat | 310 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40x1/2 flat thermal black | 8745 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40x3/8 flat thermal black | 15940 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40x3/4 s/s flat | 975 |
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| ACF | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 | 4-40x1 s/s flat | 113 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/4 | 4-40x3/4 flat thermal black | 2200 |
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| ACF | CA | Flat Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 1/4 | 4-40x1/4 flat thermal black domestic | 1353 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40x1/4 (ft) flat hex socket cap screw alloy steel thermal black oxide and oil b18.2.1 b18.3 | 9530 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | cap screw flat socket 440x1/4 stainless steel b18.2.1 b18.3 | 2600 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | cap screw flat socket 440x3/8 alloy steel b18.2.1 b18.3 | 10 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | cap screw flat socket 440x3/8 stainless steel b18.2.1 b18.3 | 1100 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | cap screw flat socket 440x1/2 alloy steel b18.2.1 b18.3 | 8261 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/4 | cap screw flat socket 440x1-1/4 stainless steel b18.2.1 b18.3 | 1450 |
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| Wurth | Ont | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | scr flt soc alloy 4-40x5/8 b18.2.1 b18.3 | 400 |
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| Wurth Ada | MN | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | scr flat soc (18 8) 4-40x3/4 | 1,250 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/16 | cap screw flat socket 440x5/16 alloy steel b18.2.1 b18.3 | 2955 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/16 | flat socket c/s b18.2.1 b18.3 | 2,051 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | flat socket c/s b18.2.1 b18.3 | 400 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | flat socket c/s b18.2.1 b18.3 | 394 |
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| Hewes | NY | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | flat hd soc | 1847 |
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| Hewes | NY | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | flat hd soc18-8 s/s | 300 |
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| Hewes | NY | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | flat hd soc | 250 |
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| Hewes | NY | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | flat hd soc18-8 s/s | 36 |
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| Hewes | NY | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | flat hd soc | 265 |
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| Hewes | NY | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | flat hd soc18-8 s/s | 600 |
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| Valley Nu | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | nc flat hd socket c/s pl | 82 |
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| Valley Nu | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | nc flat hd socket c/s pl | 49 |
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| Valley Nu | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | nc flat hd socket c/s pl | 58 |
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| Valley Nu | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/8 | nc flat hd socket c/s pl | 275 |
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| Valley Nu | WA | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 3/4 | nc flat hd socket c/s pl | 26 |
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