Socket Head Cap Screw, Grade 8 (ANSI ASME 18.3)
Socket Head Cap Screws are typically used in machine parts, die fixturing, and clamping. Socket head cap screws have a flat faced, circular raised head with an indented hex socket. They can be fully or part threaded, are usually manufactured from high grade alloy steel. Dimensionally, metric socket head cap screws are covered by the relevant DIN, ISO or JIS standards, but US/Imperial socket head cap screws are covered by the ASME B18.2.1 and B18.3 specifications.
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Buy Socket Cap Screws from one of our FCH Network Members | ||||||||
| Endries | WI | Socket Head Cap Screw | Grade 8 | Plain | 1-8 x 4 | 1-8x4in grade 8 socket head cap screw plain | 2 |
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| Global | CA | Socket Head Cap Screw | Grade 8 | Black Oxide | M5-0.80 x 70 | socket c/s (12.9) din 912 | 2 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Plain | #10-24 x 2 | 10-24 x 2 socket cap screw gr 8 steel/plain | 1493 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Plain | #10-32 x 2.5 | 10-32 x 2.5 socket cap screw gr 8 steel/plain | 38 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Plain | 5/16-18 x 2.25 | 5/16-18 x 2.25 socket cap screw gr 8 steel/plain | 50 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Plain | #6-32 x 1.5 | 6-32 x 1.5 socket cap screw gr 8 steel plain | 47 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1/4-20 x 2 | 1/4-20 x 2 socket cap screw gr 8 steel/zinc | 46 |
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| Field Fas | IL | Socket Head Cap Screw | Grade 8 | Plain | M16-2.00 x 30 | m16-2 x 30mm socket head cap screw gr 8 | 14 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2.25 socket cap screw gr 8 steel/plain | 50 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2.25 socket cap screw gr 8 steel/plain | 35 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | #10-32 x 2.5 | 10-32 x 2.5 socket cap screw gr 8 steel/plain | 38 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | #10-24 x 2 | 10-24 x 2 socket cap screw gr 8 steel/plain | 1493 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1/4-20 x 2 | 1/4-20 x 2 socket cap screw gr 8 steel/zinc | 46 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 hex flange scs grade 8 | 91 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | #6-32 x 1.5 | 6-32 x 1.5 socket cap screw gr 8 steel plain | 47 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | 5/16-18 x 2.5 | 5/16-18 x 2.5 socket cap screw gr 8 steel/plain | 45 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex flange scs grade 8 | 84 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | 1/4-20 x 2.5 | 1/4-20 x 2.5 socket cap screw gr 8 steel/plain | 4 |
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| OneMonroe | MN | Socket Head Cap Screw | Grade 8 | Plain | #8-32 x 1.75 | 8-32 x 1.75 socket cap screw gr 8 steel/plain | 37 |
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| Set Screw | IL | Socket Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 2 1/2 | socket c/s | inquire |
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| Set Screw | IL | Socket Head Cap Screw | Grade 8 | Plain | 3/4-10 x 3.0 | l.h. thread socket c/s | inquire |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/4-20 x 1 1/2 | 1/4-20x1-1/2 socket head cap screw steel grade 8 black oxide asme b18.3 | 90 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #8-32 x 3/4 | 8-32x3/4 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 90 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1/4-20 x 1 1/4 | 1/4-20x1-1/4 skt cap sems sc grade 8 zinklad250 w/seal sg 2510n f/w per dwg(p) | 22500 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 3/8-16 x 3 | 3/8-16x3 torx socket cap cap screw grade 8 zinklad 250 knurled and head markings per drawing (p) | 1663 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 3/8-16 x 1 3/4 | 3/8-16x1-3/4 socket cap screw grade 8 zinklad 250 cam grip 2510n knurled head per drawing (p) | 3715 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 3/8-16 x 3 1/4 | 3/8-16x3-1/4 socket cap screw grade 8 zinklad 250 tnt15 per drawing (i) | 750 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 skt cap sems scr gr8 zinklad 1000b-exp f/w nd593s per dwg (p) | 51250 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | null | 5/16-18 x 1.350 | 5/16-18 x 1.350 socket cap screw gr 8 zinklad 250 sg 2353 per drawing rohs(p) | 365 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 3/8-16 x 1 1/4 | 3/8-16x1-1/4 socket head cap screw grade 8 zinklad 250 per dwg | 69840 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | null | 5/16-18 x 1.350 | 5/16-18x1.350 skt cap screw grade 8 zinc nickel black triv sg 2353 per dwg rohs(p) | 1800 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Black | #8-32 x 1/2 | 8-32x1/2 socket cap screw grade 8 zinc black triv .0003 hd marking per dwg (p) | 25000 |
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| Optimas | IL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1/2-20 x 1 1/2 | 1/2-20x1-1/2 socket head cap screw sae j429 grade 8 zinklad 250 per dwg rohs | 4699 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #10-32 x 1/2 | 10-32x1/2 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 277 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 3/8-16 x 1 | 3/8-16x1 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 113 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #6-32 x 1/4 | 6-32x1/4 socket head cap screw steel grade 8 black oxide asme b18.3 | 74 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/4-20 x 3/4 | 1/4-20x3/4 socket head cap screw steel grade 8 black oxide asme b18.3 | 86 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #10-24 x 1 1/2 | 10-24x1-1/2 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 485 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #10-32 x 1 1/4 | 10-32x1-1/4 socket head cap screw steel grade 8 black oxide asme b18.3 | 257 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/2-13 x 1/2 | 1/2-13x1/2 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 146 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/2-13 x 3/4 | 1/2-13x3/4 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 100 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #6-32 x 1/2 | 6-32x1/2 socket head cap screw steel grade 8 black oxide asme b18.3 | 345 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #6-32 x 1 1/2 | 6-32x1-1/2 socket head cap screw steel grade 8 black oxide asme b18.3 | 494 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/4-20 x 1 1/4 | 1/4-20x1-1/4 socket head cap screw steel grade 8 black oxide asme b18.3 | 125 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 3/8-16 x 1 1/4 | 3/8-16x1-1/4 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 127 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #8-32 x 1 1/4 | 8-32x1-1/4 socket head cap screw steel grade 8 black oxide asme b18.3 | 473 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/2-13 x 1 1/2 | 1/2-13x1-1/2 socket head cap screw steel grade 8 black oxide asme b18.3 | 46 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/4-20 x 1 3/4 | 1/4-20x1-3/4 socket head cap screw steel grade 8 black oxide asme b18.3 | 162 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #6-32 x 1 | 6-32x1 socket head cap screw steel grade 8 black oxide asme b18.3 | 432 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #10-32 x 3/4 | 10-32x3/4 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 170 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #10-24 x 1/2 | 10-24x1/2 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 95 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | #6-32 x 3/4 | 6-32x3/4 socket head cap screw steel grade 8 black oxide asme b18.3 | 489 |
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| Siena | IA | Socket Head Cap Screw | Grade 8 | Black Oxide | 1/2-13 x 2 | 1/2-13x2 socket head cap screw steel grade 8 black oxide full thread asme b18.3 | 15 |
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| CNB | IL | Socket Head Cap Screw | Grade 8 | Plain | 1 3/8-12 x 2 1/2 | 1 3/8-12 x 2 1/2 socket head cap screw grade 8 alloy plain | 47 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Plain | 3/8-16 x 2.25 | 3/8-16 x 2.25 socket cap screw gr 8 steel/plain | 35 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Plain | #8-32 x 1.75 | 8-32 x 1.75 socket cap screw gr 8 steel/plain | 37 |
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| OneMonroe | MA | Socket Head Cap Screw | Grade 8 | Plain | 5/16-18 x 2.5 | 5/16-18 x 2.5 socket cap screw gr 8 steel/plain | 45 |
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| BIG BOLT | IL | Socket Head Cap Screw | Grade 8 | Plain | bolt & c/s socket c/s 3/4-10x3 1/4hex hd b18.2.1 | 2000 |
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| BIG BOLT | IL | Socket Head Cap Screw | Grade 8 | Plain | bolt & c/s socket c/s 5/8-11x9 3/4b18.2.1 | 1225 |
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| BIG BOLT | IL | Socket Head Cap Screw | Grade 8 | Plain | bolt & c/s socket c/s 1 1/8-7x9b18.2.1 | 1000 |
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| BIG BOLT | IL | Socket Head Cap Screw | Grade 8 | Plain | bolt & c/s socket c/s 5/8-11x11 3/4b18.2.1 | 300 |
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| BIG BOLT | IL | Socket Head Cap Screw | Grade 8 | Plain | bolt & c/s socket c/s 1 1/8-7x6 1/2b18.2.1 | 500 |
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| Mansco | MI | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1/4-20 x 1 3/4 | 1/4-20x1-3/4 soc cap scr gr8 triv znc | 400 |
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| Mansco | MI | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 soc cap scr gr8 triv znc | 900 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Plain | 1/4-20 x 1 3/4 | socket c/s | 250 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Plain | 3/8-16 x 3 | socket c/s f/t finish | 92 |
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| IPC | VA | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 2 3/4 | 3/8-16x 2 3/4 soc c/s grade 8 blk zn | 117 |
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| MMCC | IL | Socket Head Cap Screw | Grade 8 | Plain | 3/4-10 x 2 | 3/4-10x2 socket hd cap s-grade 8-american-3/4-10x2 din 912 class 8.8 zinc/clear | 75 |
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| MMCC | IL | Socket Head Cap Screw | Grade 8 | Plain | 3/4-10 x 6 | 3/4-10x6 socket hd cap s-grade 8-american-3/4-10x6 din 912 class 8.8 zinc/clear | 90 |
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| SIS | AZ | Socket Head Cap Screw | Grade 8 | Plain | 1/4-20 x 3 | socket hd c/s gr. 8 partial thread | 200 |
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| Mid-Valley | CA | Socket Head Cap Screw | Grade 8 | Plain | M16-1.50 x 50 | socket head c/s | 750 |
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| General F | MI | Socket Head Cap Screw | Grade 8 | Plain | 5/8-183a x 21/8 | 5/8-18unf3a x 2.125 shcs gr 8 b18.2.1 b18.3 | 9419 |
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| General F | MI | Socket Head Cap Screw | Grade 8 | Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) | 5/8-18 x 1 3/4 | 5/8-18 x 1.75 shcs gr 8 dacromet 320 b18.2.1 b18.3 | 11502 |
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| General F | MI | Socket Head Cap Screw | Grade 8 | Plain | 5/8-18 x 2 | 5/8-18 x 2 spcl soc shcs gr 8 b18.2.1 b18.3 | 31255 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 1 1/4 | soc c/sr stl nickel black & bake | 11700 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 1 5/8 | soc c/sr stl nickel black & bake | 904 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 2 1/2 | soc c/sr stl nickel black & bake | 4924 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 2 1/4 | soc c/sr stl nickel black & bake | 4942 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 2 1/4 | soc c/sr stl nickel black & bake | 4942 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 2 1/2 | soc c/sr stl nickel black & bake | 4924 |
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| IRF | NJ | Socket Head Cap Screw | Grade 8 | Zinc/Black | 3/8-16 x 3 | socket c/s f/t stl nickel black & bake | 640 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 1/2-20 | 1/2-20 socket head cap screw grade 8 steel | 1265 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 1/2-20 | 1/2-20 socket head cap screw grade 8 steel | 1200 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 3/8-16 | 3/8-16 socket head cap screw grade 8 | 700 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 7/16-20 | 7/16-20 socket head cap screw grade 8 | 552 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 1/2-20 | 1/2-20 socket head cap screw grade 8 steel | 303 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 7/16-20 | 7/16-20 socket head cap screw grade 8 steel | 125 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 7/8-9 | 7/8-9 socket head cap screw grade 8 steel | 120 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 3/8-24 | 3/8-24 socket head cap screw steel grade 8 | 108 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 7/8-9 | 7/8-9 socket head cap screw grade 8 | 40 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 5/8-11 | 5/8-11 socket head cap screw grade 8 | 25 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 3/4-10 | 3/4-10 socket head cap screw grade 8 | 15 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 3/4-10 | 3/4-10 socket head cap screw grade 8 | 13 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1-8 x 9 | 1-8 x 9 socket head cap screw grade 8 zinc | 14 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1-8 | 1-8 socket head cap screw grade 8 zinc | 10 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1-8 | 1-8 socket head cap screw grade 8 zinc | 10 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Zinc/Clear | 1-8 | 1-8 socket head cap screw grade 8 zinc | 5 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 7/8-9 | 7/8-9 socket head cap screw grade 8 | 5 |
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| BAYFASTCO | FL | Socket Head Cap Screw | Grade 8 | Plain | 1-8 | 1-8 socket head cap screw grade 8 | 3 |
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| OBRIEN | OH | Socket Head Cap Screw | Grade 8 | Plain | 7/16-20 x 4 | socket c/s | 4 |
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