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#4-40 Jack Screws
Hex Jack Screws are used in printed circuit boards or sheet metal fabrications and their purpose is to provide a set distance separator between two objects. The two objects could be two circuit boards or two sheets of sheet metal. Like a hex male/female standoff, a hex jack screw has one end projecting and threaded, and the other end drilled and internally threaded. Where a hex jack screw differs from a hex male/female standoff is that the threaded end on a jack screw protrudes further than the threaded end of a standoff.
109 results, (click on any line for more information)
| Buy Jack Screws from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| NAPPCO | TX | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | #4-40 x 1/4 hex jackscrew s/s nohard | 595 |
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| YANKEE | NH | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x .312 x 3/16 | jack screw hex | 900 |
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| YANKEE | NH | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 x 3/16 | jack screw 18-8 304 | 688 |
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| Endries | WI | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 5/8 3/16 | 4-40x5/8 3/16 hex jack screw (only) steel zinc & yellow rohs | 3016 |
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| Century | FL | Hex Jack Screw | Steel | Plain | #4-40 x 3/16 | raf 4750-1 4-40 x 3/16 jack screw stl (ZINC YELLOW W/HARDWARE) (ZINC YELLOW W/HARDWARE) | 219 |
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| Century | FL | Hex Jack Screw | Steel | Plain | #4-40 x 3/16 | 4-40 x 3/16 hex m/f jack screw (4-40 x 3/16LENG 3/16 HEX M/F JACK SCREW LOCKING ASSEMBLEY ZINC ROHS (FC47501-S-12)) (4-40 x 3/16LENG 3/16 HEX M/F JACK SCREW LOCKING ASSEMBLEY ZINC ROHS (FC47501-S-12)) | 300 |
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| GLF | OH | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 9/16 x 3/16 | #4-40x9/16x3/16 hex jack screw male stl zy () () () | 4169 |
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| Endries | WI | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/16 | 4-40x3/16 jack screw with capt external lock washer trivalent clear zinc | 200 |
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| Endries | WI | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 1/2 3/16 | 4-40x1/2 3/16 hex jack screw (only) steel zinc & yellow chromate rohs | 835 |
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| Endries | WI | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/16 3/16 | 4-40x3/16 3/16 hex jack screw trivalent yellow zinc includes screw nut lock washer and 2 flat washers | 50 |
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| Cal Fastenrs | CA | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/16 | 4-40x3/16af x 1/4lng jack screw stl i /raf 47502z /RAF47502Z | 800 |
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| Cal Fastenrs | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 1/4 | 4-40 x 1/4lng jack screw stl -nylok /raf 47502/nyl /RAF47502/NYL | 900 |
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| Cal Fastenrs | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | jack screw 3/16 hex 18-8 304 /raf 47503ss | 300 |
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| Cal Fastenrs | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 5/16 3/16 | hex jack screw w/2pc fw& 1pc lw w/nut zy cr3/raf 47503ykit/cr3 | 500 |
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| Century | FL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 mod jack screw s/sfascomp# fc47503-ss () () | 1187 |
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| Hayes | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 5/16 | M24308/25-7z 4-40x5/16 jack screw with bow tie retaining clip zinc & yellow M24308/25-7Z | 92 |
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| Hayes | CA | Hex Jack Screw | Steel | Plain | #4-40 x 5/8 | 4-40 x 5/8 jack screw(3/16af) zii | 759 |
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| Hayes | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 5/16 | 4-40 x 5/16 jack screw(3/16af) assembly 18-8ss pass | 100 |
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| Hayes | CA | Hex Jack Screw | Steel | Nickel Plated | #4-40 x 5/16 | 4-40 x 5/16 jack screw(3/16af) nickel | 400 |
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| Hayes | CA | Hex Jack Screw | Steel | Nickel Plated | #4-40 x 5/16 | 4-40 x 5/16 jack screw(3/16af) patch nickel | 5443 |
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| Hayes | CA | Hex Jack Screw | Steel | Plain | #4-40 x 3/4 | 4-40 x 3/4 jack screw(3/16af) zii | 62 |
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| Hayes | CA | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/8 | 4-40 x 3/8 jack screw(3/16af) zinc | 400 |
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| Hayes | CA | Hex Jack Screw | Ni-Cu Alloy (Monel, K-Monel, etc.) | Nickel Plated | #4-40 x .244 | 4-40 x .244 jack screw(4.5mm af) copper nickel | 100 |
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| Hayes | CA | Hex Jack Screw | Steel | Plain | #4-40 x 3/8 | 4-40 x 3/8 jack screw(3/16af) zii | 100 |
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| Hayes | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 jack screw(3/16af) assembly 18-8ss | 12 |
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| Hayes | CA | Hex Jack Screw | Steel | Plain | #4-40 x 9/16 | 4-40 x 9/16 jack screw(3/16af) zii | 1346 |
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| Hayes | CA | Hex Jack Screw | Steel | Plain | #4-40 x 1/2 | 4-40 x 1/2 jack screw(3/16af) zii | 6495 |
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| Hayes | CA | Hex Jack Screw | Steel | Nickel Plated | #4-40 x 5/16 | 4-40 x 5/16 jack screw(3/16af) m3 female nickel | 11573 |
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| Optimas | IL | Hex Jack Screw | Brass | Nickel Plated | #4-40 x .400 3 | 4-40x.400 (3/16) hex jack screw brass nickel w/nut & l/w | 25 |
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| GLF | OH | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 x 3/16 | #4-40x1/2x3/16 hex jack screw s/s () () () | 300 |
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| QCS | OR | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/163/16 x 3/8 | 4-40x3/16hx3/16lx3/8tl jackscrew stainless | 494 |
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| QCS | OR | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/163/16 x 5/16 | 4-40x3/16hx3/16lx5/16tl jackscrew zyrc raf electronic hardw | 2947 |
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| QCS | OR | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/163/16 x 5/16 | 4-40x3/16hx3/16lx5/16tl hex jackscrew z rohs raf electronic hardw | 3528 |
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| QCS | OR | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/163/16 x 3/8 | 4-40x3/16hx3/16lx3/8tl jackscrew zinc w/vc3 raf electronic hardw | 2000 |
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| SJS Prod | CA | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/16 | jackscrew 4-40 x 3/16 stl zp | 31 |
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| SJS Prod | CA | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/4 | keystone 4-40 x 1/4 jack screw stl zp | 450 |
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| SWACO | OH | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 3/16 x 3/16 | jackscrew 4-40x1/4 hex 3/16x3/16 stainless steel | 460 |
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| Endries | WI | Hex Jack Screw | Brass | Nickel Plated | #4-40 x 5/16 3/16 | 4-40x5/16 3/16 hex jack screw (only) brass nickel plate rohs | 1600 |
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| NutsBolts | NE | Hex Jack Screw | Steel | Plain | #4-40 x .280 | jack screw 4-40x.280 m/f hex | 175 |
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| Ababa | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 hex jack screw 3/16 af s/s | 5567 |
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| Ababa | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 hex jack screw 3/16 af s/s | 148 |
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| Ababa | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 hex jack screw 3/16 af s/s | 4824 |
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| Ababa | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 7/16 | 4-40 x 7/16 hex jack screw steel yellow zinc | 1000 |
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| Ababa | CA | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40 x 1/4 hex jack screw 3/16 af stl znc | 196 |
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| Ababa | CA | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 5/16 | 4-40 x 5/16 hex jack screw 3/16 af stl znc | 275 |
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| Ababa | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 hex jack screw 3/16 af s/s | 103 |
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| Ababa | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 9/16 | 4-40 x 9/16 hex jack screw stl yellow zinc | 900 |
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| Ababa | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/4 | 4-40 x 3/4 hex jack screw stl yel znc | 126 |
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| Ababa | CA | Hex Jack Screw | Steel | Plain | #4-40 x 1 3/4 | 4-40 x 1 3/4 slim line turnable jack screw w/slot | 104 |
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| AFI | FL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 | 4-40 jack screw zinc yellow () | 742 |
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| Olander | CA | Hex Jack Screw | Steel | Plain | #4-40 x 1/2 | jack screw kit 4-40 x 1/2 () | 788 |
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| Olander | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 9/16 | jack scr 4-40 x 9/16 sst () () | 109 |
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| Ababa | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 hex jack screw 3/16 af s/s | 200 |
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| Liberty | IL | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/16 x 3/16 | hex jack screw oal 1/2in rohs compliant screw oal 1/2in rohs compliant | 917 |
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| Empire | WA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 jack screw ss | 1800 |
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| JET FITTING | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 3/16 x 3/16 | jackscrew 4-40x1/4 hex 3/16x3/16 18-8 304 steel 100404JM303 | 460 |
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| JET FITTING | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/16 x 5/16 | jackscrew assembly 4-40x3/16x5/16 steel zinc yellow 100504JMY | 1492 |
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| WDMB | IA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/16 x 3/8 | jack screw assy steel zyt 4-40x3/16x3/8 | 500 |
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| QCS | OR | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/163/16 x 1/4 | 4-40x3/16hx3/16lx1/4tl hex jackscrew zy raf electronic hardw | 346 |
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| QCS | OR | Hex Jack Screw | Steel | Plain | #4-40 x 3/163/16 x 5/16 | 4-40x3/16hx3/16lx5/16tl hex jackscrew br-ni lyn-tron | 2053 |
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| QCS | OR | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/163/16 x 1/4 | 4-40x3/16hx3/16lx1/4tl hex jackscrew ss raf electronic hardw | 800 |
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| QFC | TX | Hex Jack Screw | Steel | Plain | #4-40 x 3/4 | hex jack screw 4-40x3/4 l .1875 hex | 297 |
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| QFC | TX | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 0.312 | 4-40x0.312 jackscrew 3/16 hex w/4-40 internal threads steel 0.0002-0.0004 zinc plate yellow | 278050 |
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| QFC | TX | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 0.312 | 4-40x0.312 jackscrew 3/16 hex w/4-40 internal threads steel 0.0002-0.0004 zinc plate yellow | 490540 |
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| QFC | TX | Hex Jack Screw | Steel | Plain | #4-40 x 5/8 | keystone scr jack 4-40x5/8 .187 hex | 322 |
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| QFC | TX | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 5/16 | #4-40x5/16 jackscrew 3/16 hex 4-40 internal threads steel 0.0002-0.0004 zinc plate clear trivalent chromate must withstand 5 psi torque to hex sort to 50 ppm | 1159093 |
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| QFC | TX | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 0.560 | 4-40x0.560 jackscrew 3/16 hex w/4-40 internal threads steel 0.0002-0.0004 zinc plate yellow | 418860 |
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| QFC | TX | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 0.560 | 4-40x0.560 jackscrew 3/16 hex w/4-40 internal threads steel 0.0002-0.0004 zinc plate yellow | 201800 |
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| SIS | AZ | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/4 3/16 | 4-40x1/4 long (3/16 hex) jack screw stl zinc | 11000 |
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| SIS | AZ | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/4 | slotted male-female jack screw clear | 1300 |
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| SIS | AZ | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/16 | (3/16 hex length ) jack screw stl | 480 |
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| TSF | TX | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 5/16 | jack screw no hardware clear trivalent zinc 4-40 x 5/16 | 8100 |
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| TSF | TX | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | jack screw no hardware stainless steel 4-40 x 5/16 | 1000 |
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| TSF | TX | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/2 | jack screw trivalent clear zinc no hardware 4-40 x 1/2 | 319 |
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| ACF | CA | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 1/4 | 4-40x1/4 screw lock jackscrew no bow tie clip zinc ii | 1440 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | 4-40x7/16 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40x3/8 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 9/16 | 4-40x9/16 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40x5/8 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40x1/2 3/16 hex jackscrew male 300 series stainless steel | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/16 | 4-40x3/16 3/16 hex jackscrew male zinc yellow | 50,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 1/4 | 4-40x1/4 3/16 hex jackscrew male zinc yellow | 50,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 9/16 | 4-40x9/16 3/16 hex jackscrew male zinc yellow | 25,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 7/16 | 4-40x7/16 3/16 hex jackscrew male zinc yellow | 37.500 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 5/16 | 4-40x5/16 3/16 hex jackscrew male zinc yellow | 50,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 3/8 | 4-40x3/8 3/16 hex jackscrew male zinc yellow | 37.500 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 1/2 | 4-40x1/2 3/16 hex jackscrew male zinc yellow | 25,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x 5/8 | 4-40x5/8 3/16 hex jackscrew male zinc yellow | 12.500 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/16 | 4-40x3/16 3/16 hex jackscrew male zinc | 50,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 5/16 | 4-40x5/16 3/16 hex jackscrew male zinc | 50,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40x1/4 3/16 hex jackscrew male zinc | 50,000 |
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| Kanebridge | IL | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 3/8 | 4-40x3/8 3/16 hex jackscrew male zinc | 37.500 |
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| General F | MI | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 5/8 | 4-40 x 5/8 jack scr .0002 zn clr | 45000 |
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| General F | MI | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 x .313 | 4-40 x.313 jack scr nyl patch zn ylw | 6285 |
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| Empire | WA | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40 x 1/4 jack screw 3/16hx zinc plate w/ nd expand-a-lock threadlocker | 30000 |
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| JET FITTING | CA | Hex Jack Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 3/16 x 3/16 | jackscrew 4-40x1/4 hex 3/16x3/16 stainless steel | 444 |
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| AIH | AZ | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 | jackscrew stl ylw chromate | 4000 |
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| AIH | AZ | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 | jackscrew plate | 5000 |
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| AIH | AZ | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 | jackscrew plate | 5000 |
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| AIH | AZ | Hex Jack Screw | Steel | Zinc/Yellow | #4-40 | jackscrew stl ylw chromate | 4000 |
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| ASFCORP | MI | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 1/4 3/16 | 4-40 x 1/4 3/16 hex jack scw standoff tri zn fe/zn 5an pkg | 10,000 |
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| GUIDON | NJ | Hex Jack Screw | Steel | Zinc/Clear | #4-40 x 5/16 | Keystone Electronics 7230 LESS HARDWARE | inquire |
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