#4 Bolts & Cap Screws
505,080 Bolts & Cap Screws, showing 200, (click on any line for more information)
| Buy from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Century | FL | Socket Head Cap Screw | null | Plain | #4-40 x 3/4 | unbrako 107849 socket head cap screw 4-40 x 3/4 | 44 | 
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| Century | FL | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1/4 | 4-40 x 1/4 soc cap 316 stainless steel | 70 | 
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| Century | FL | Button Head Socket Cap Screw | ASTM A574 | Plain | #4-40 x 3/16 | 4-40 x 3/16 button soc cap alloy | 4860 | 
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| Century | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40 x 3/4 button hd soc cap cap screw 18-8 s/s | 310 | 
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| Century | FL | Flat Head Socket Cap Screw | ASTM A574 | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat hd soc cap alloy stl | 2060 | 
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| Century | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 socket hd c/s screw 18-8 s/s | 43861 | 
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| QCS | OR | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 t-10 torx flat soc cap screw stainless | 4990 | 
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| Century | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | ms16995-10 screw cap socket head(.112-40x.375) hex sst | 21894 | 
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| Century | FL | Socket Head Cap Screw | null | Plain | #4-40 x 1 1/2 | 4-40 x 1 1/2 soc cap alloy stl | 20 | 
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| QCS | OR | Socket Head Cap Screw | ASTM A574 | Plain | #4-40 x 1/4 | 4-40x1/4 soc cap screw alloy nylon patch | 5000 | 
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| Century | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | nas1352c04-8 screw-fsa cf | 10885 | 
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| Alma Bolt | MI | Socket Head Cap Screw | null | Plain | #4-40 x 7/8 | #4-40 x 7/8 special alloy socket hd cap screw | 2470 | 
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| Century | FL | Socket Head Cap Screw | null | Zinc/Clear | #4-40 x 1 1/2 | 4-40 x 1-1/2 soc c/s alloy zinc 4-40 x 1-1/2 soc c/s alloy zinc | 200 | 
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| Century | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | 4-40 x 7/16 button soc c/s 18.8 s/s | 3496 | 
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| QCS | OR | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 soc cap screw stainless | 800 | 
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| Century | FL | Socket Head Cap Screw | null | Plain | #4-40 x 5/8 | 4-40 x 5/8 socket cap alloy stl | 451 | 
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| Century | FL | Button Head Socket Cap Screw | ASTM A574 | Plain | #4-40 x 3/8 | 4-40 x 3/8 button soc cap cap screw alloy | 2500 | 
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| Century | FL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | ms24671-4 nasm24671-4 | 800 | 
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| Century | FL | Flat Head Socket Cap Screw | ASTM A574 | Plain | #4-40 x 5/16 | 4-40 x 5/16 flat hd soc cap alloy stl | 33 | 
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| Century | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | carleton 1005-0140-008 4-40 x 3/16 button soc cap screw 18-8 s/s per print | 23 | 
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| Century | FL | Socket Head Cap Screw | null | Plain | #4-40 x 1 | 4-40 x 1 socket cap 4-40 x 1 socket cap alloy stl | 2698 | 
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| QCS | OR | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 button soc cap screw stainless gunmetal grey | 8660 | 
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| CIF | IL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 3/8 | #4-40x 3/8 socket head cap screw 18-8 stainless steel black oxide (dfar compliant) | 1960 | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 socket head cs ss/chrome- | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 socket head cs ss/chrome/patch | inquire | 
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| Brikksen | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 button soc cs ss | inquire | 
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| Marshall | MI | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 bshcs 18-8 s/s | 400 | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 socket head cs ss/chrome/patch | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1/2 | 4-40 x 1/2 socket head cs 316ss | inquire | 
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| Brikksen | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 but soc 18-8 | 20000 | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/4 | 4-40 x 1-1/4 soc hd cs ss | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 7/16 | 4-40 x 7/16 socket head cap screw black oxide/patch 18-8ss | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40 x 3/4 soc hd cs ss | 3000 | 
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| Brikksen | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 button socket cap screw 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 3/16 | 4-40 x 3/16 socket head cap screw 316 stainless | inquire | 
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| Brikksen | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | 4-40 x 1/8 button soc 18-8 | 20000 | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 socket head cs ss/chrome | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 socket head cs ss/chrome/patch- | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 | 4-40 x 1 socket head cap screw 18-8 ss 100 per small bag 5 small bags per master pack-generic brand | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 socket head cs ss/chrome/patch- | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 7/16 | 4-40 x 7/16 socket head cap screw black oxide/patch 18-8ss | inquire | 
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| Brikksen | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40 x 3/4 button soc cs ss | 11000 | 
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| Brikksen | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 button soc cs ss | inquire | 
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| Brikksen | FL | Button Head Socket Cap Screw | Steel | Zinc/Clear | #4-40 x 3/16 | 4-40 x 3/16 button torx ms low head steel/zinc per print rev 0 | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 soc hd cs ss | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40 x 3/4 soc hd cs ss | inquire | 
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| Brikksen | FL | 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 soc cs ss | inquire | 
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| SWACO | OH | Socket Head Cap Screw | Steel | Zinc/Clear | #4-40 x 9/16 | #4-40x9/16 socket hd c/s zinc | 460 | 
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| SWACO | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 3/8 | nas1352c04-6 304ss | 196 | 
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| SWACO | OH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 flat u/c ss a2 (18-8) | 402 | 
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| GLF | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | #4-40 x 5/8 shcs 18-8 s/s | 500 | 
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| GLF | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | #4-40 x 1/4 shcs 18-8 s/s | 88197 | 
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| GLF | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | #4-40 x 1/2 shcs 18-8 s/s | 1275 | 
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| GLF | OH | 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 fhcs 18-8 s/s | 300 | 
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| GLF | OH | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | #4-40 x 3/16 bhcs 18-8 s/s dfar domestic | 3000 | 
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| GLF | OH | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/8 | #4-40 x 7/8 bhcs 18-8 s/s | 350 | 
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| GLF | OH | Flat Head Socket Cap Screw | Silicon Bronze | Zinc/Black | #4-40 x 1/4 | #4-40 x 1/4 fhcs stl ams 2417/astmb841 bzn | 325 | 
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| GLF | OH | 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 fhcs 18-8 s/s | 300 | 
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| Bossard | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 7/16 soc hd c/s s/s | 1750 | 
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| Optimas | IL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 asme b18.3 button hd socket cap screw 18-8 ss nylon patch | 397 | 
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| American | WI | Socket Head Cap Screw | Steel | Plain | #4-40 x 1 1/2 | #4-40x1-1/2 nc soc hd c/s | 150 | 
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| AIH | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 3/8 | 4-40x3/8 socket cap screw s/s pass | 1282 | 
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| AIH | AZ | Socket Head Cap Screw | Steel | Plain | #4-40 x 5/16 | 4-40x5/16 socket cap screw alloy steel | 4990 | 
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| AIH | AZ | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 7/16 | 4-40x7/16 cap screw socket 316 ss | 350 | 
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| AIH | AZ | Socket Head Cap Screw | Steel | Plain | #4-48 x 3/8 | shcs NAS1351C04-6 | 193 | 
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| AIH | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | socket c/s patch s/s | 550 | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40 x 5/16 soc hd cap ss | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40 x 3/16 soc hd cap s/s | inquire | 
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| Brikksen | FL | 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 cs s/s | inquire | 
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| Brikksen | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/4 | 4-40 x 1-1/4 soc hd cs ss | inquire | 
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| Brikksen | FL | 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 soc cs ss | inquire | 
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| Brikksen | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | 4-40 x 1/2 button soc cs ss | inquire | 
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| Hewes | NY | Socket Head Cap Screw | Steel | Zinc/Black | #4-40 x 5/8 | 4-40x5/8 socket head cap screw _x000d_zinc black chromate and bake | 1766 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 | 4-40 x 1 low head socket cap full thread 18-8 stainless | 680 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 2 | 4-40 x 2 socket cap full thread 18-8 stainless | 325 | 
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| FasSpcMfg | FL | 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 18-8 stainless | 497 | 
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| FasSpcMfg | FL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-48 x 2 | 4-48 x 2 flat head socket cap full thread 18-8 stainless | 4075 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | null | Plain | #4-48 x 5/16 x 750 | 4-48 x 5/16 socket cap x750 | 5 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | Brass | Plain | #4-40 x 1/4 | 4-40 x 1/4 socket cap brass | 9 | 
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| FasSpcMfg | FL | Button Head Socket Cap Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | #4-40 x 3/8 | 4-40 x 3/8 button head socket cap a286 solution annealed | 30 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1/4 | 4-40 x 1/4 socket cap 316 stainless-03 | 95 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | #4-40 x .55 | 4-40 x .55 socket cap inconel 625 | 3 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | null | Plain | #4-40 x 3/4 | 4-40 x 3/4 socket cap 4140 rc 37-44 | 11 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1 1/2 | 4-40 x 1-1/2 socket cap 316 stainlessfull thread | 12 | 
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| FasSpcMfg | FL | Flat Head Socket Cap Screw | Brass | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat head socket cap brass | 50 | 
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| FasSpcMfg | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 3/8 | 4-40 x 1-3/8 socket cap full thread 18-8 stainless | 7210 | 
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| FasSpcMfg | FL | 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 head socket cap 18-8 stainless | 89 | 
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| FasSpcMfg | FL | Flat Head Socket Cap Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | #4-40 x 3/8 | 4-40 x 3/8 flat head socket cap hastelloy c 276 | 20 | 
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| FasSpcMfg | FL | Flat Head Socket Cap Screw | ASTM A574 | Plain | #4-48 x 1 1/2 | 4-48 x 1 1/2 flat hd soc cap ft alloy | 700 | 
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| FasSpcMfg | FL | Flat Head Socket Cap Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | #4-40 x 1/4 | 4-40 x 1/4 flat head socket cap alloy 20 | 8 | 
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| OneMonroe | MA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 butn tx cap screw t-6 ss | 4000 | 
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| NutsBolts | NE | Socket Head Cap Screw | null | Plain | #4-40 x 3/4 | 4-40 x 3/4 shcs | 200 | 
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| OneMonroe | MA | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x .140 | 4-40x.140 tx bshcs ss blk ox t-8 | 22000 | 
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| OneMonroe | MA | Socket Head Cap Screw | Steel | Plain | #4-48 x 3/8 | 4-48 x 3/8 socket cap screw | 35 | 
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| OneMonroe | MA | Socket Head Cap Screw | Steel | Zinc/Clear | #4-40 x 3/8 | screw socket cap 4-40x3/8 steel/zinc | 640 | 
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| OneMonroe | MA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/4 | screw socket cap 4-40x1-1/4 s/s | 500 | 
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| OneMonroe | MA | 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 stainless | 31 | 
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| OneMonroe | MA | Button Head Socket Cap Screw | Steel | Plain | #4-40 x 1 | 4-40 x 1 button soc cap screw | 25 | 
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| OneMonroe | MA | Button Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 3/16 | #4-40 x 3/16 black oxide finish button socket cap screw | 2100 | 
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40x1/4 flat socket capscrew plain b18.2.1 b18.3 | 1700 | 
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| Raw Produ | NJ | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 3/8 | button head socket cap screws black oxide 304 ss #4-40 x 3/8 | 3805 | 
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| Raw Produ | NJ | Button Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1/8 | button head socket cap screws 316 ss #4-40 x 1/8 | 1000 | 
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| Raw Produ | NJ | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | button head socket cap screws 304 ss #4-40 x 3/16 | 4652 | 
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| Raw Produ | NJ | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 5/16 | button head socket cap screws black oxide 304 ss #4-40 x 5/16 | 2001 | 
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| Raw Produ | NJ | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 7/16 | flat head socket cap screws 316 ss #4-40 x 7/16 | 958 | 
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| Raw Produ | NJ | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 1/2 | flat head socket cap screws 304 ss #4-40 x 1-1/2 | 18731 | 
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| Raw Produ | NJ | Button Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1 | button head socket cap screws 316 ss #4-40 x 1 | 750 | 
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| Raw Produ | NJ | Button Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 5/8 | button head socket cap screws 316 ss #4-40 x 5/8 | 482 | 
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| Raw Produ | NJ | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1 | button head socket cap screws 304 ss #4-40 x 1 | 1769 | 
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| Raw Produ | NJ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | socket cap screws 304 ss #4-40 x 1/8 | 9096 | 
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| Fastenerc | OH | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40 x 1/4 stain 18-8 button soc cap screw plain | 12200 | 
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| Fastenerc | OH | Button Head Socket Cap Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 4-40 x 1/2 alloy button socket cap screw zinc | 29300 | 
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| Mil-Spec | MD | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 1 | 4-40 x 1 socket cap screw 316 stainless steel | 50 | 
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| Accutite | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/2 | #4-40x1/2 socket cap screw 18-8 ss | 3400 | 
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| F. Solutions | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | socket head cap screw 4-40 x 5/16 18.8 stainless per nas1352c04-5 | 100 | 
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| F. Solutions | OH | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 x 3/8 | button head torx screw #4-40x3/8 18.8 ss black oxide | 100 | 
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| F. Solutions | OH | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | flat socket cap screw 4-40 x 5/8 alloy steel | | 2850 | 
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| National | Ont | Socket Head Cap Screw | Steel | Plain | #4-40 x 3/8 | 4-40x3/8 hx skt cs s | 100 | 
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| National | Ont | Socket Head Cap Screw | Steel | Plain | #4-40 x 1/4 | 4-40x1/4 hx skt cs s | 300 | 
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| National | Ont | T-Head Bolt (T-Slot Bolt, Hammer Head Bolt) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 hex butt hd cs ss | 1900 | 
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| National | Ont | Socket Head Cap Screw | Steel | Plain | #4-40 x 1 | 4-40x1 hx skt cs s | 500 | 
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| National | Ont | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 hex skt cs ss | 1907 | 
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| National | Ont | Button Head Socket Cap Screw | Steel | Plain | #4-40 x 1/2 | 4-40x1/2 torx plus butt cs s | 1500 | 
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| AFI | FL | 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 soc cs ss () () | 745 | 
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| AFI | FL | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 5/8 | 4-40x5/8 flat hd soc cs st () () | 2100 | 
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| AFI | FL | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 button soc hd cs ss () () | 5693 | 
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| A FI | FL | Socket Head Cap Screw | Steel | Plain | #4-40 x 5/16 | 4-40x5/16 soc hd cs st () () | 700 | 
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| AFI | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/16 | 4-40x3/16 soc hd cs ss () () | 1045 | 
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| AFI | FL | Button Head Socket Cap Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 4-40x1/2 button soc hd cs st zn () () | 736 | 
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| AFI | FL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 2 | 4-40x2 soc head cs full thread ss () () | 8600 | 
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| AFI | FL | Button Head Socket Cap Screw | Steel | Plain | #4-40 x 3/16 | 4-40x3/16 button hd cs steel w/patch () () | 42658 | 
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| Olander | CA | Hex Head Cap Screw | Steel | Plain | 4-40 x 1 hx hd nyl | 456 | 
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| Olander | CA | Socket Head Cap Screw | ASTM A574 | Plain | 4-40 x 3/8 low hd soc cap alloy | 5 | 
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| Olander | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 2 soc cap f/t sst rohs | 44 | 
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| Olander | CA | Flat Head Socket Cap Screw | Steel | Plain | 4-40 x 1 flat soc alloy | 387 | 
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| Olander | CA | Socket Head Cap Screw | ASTM A574 | Plain | 4-40 x 1/2 soc cap alloy | 3754 | 
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| Olander | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 3 soc cap sst | 30 | 
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| Olander | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/2 soc cap sst black | 100 | 
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| Olander | CA | Socket Head Cap Screw | Steel | Plain | 4-40 x 5/8 soc cap nyl | 781 | 
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| Olander | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 7/16 flat soc sst rohs | 52 | 
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| Olander | CA | Socket Head Cap Screw | ASTM A574 | Plain | 4-40 x 2 soc cap p/t alloy | 71 | 
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| Olander | CA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 4-40 x 3/16 flat soc 316 ss | 50 | 
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| Olander | CA | Socket Head Cap Screw | ASTM A574 | Zinc/Black | 4-40 x 3/8 soc cap blk zn alloy | 10 | 
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| Olander | CA | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 3/16 but soc patch sst rohs | 1081 | 
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| Olander | CA | Button Head Socket Cap Screw | 316, 317, A4 Stainless | Zinc/Clear | #4-40 x 1/2 | 4-40 x 1/2 but soc 316 sst rohs () () | 115 | 
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| Olander | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 soc cap sst black () () | 7963 | 
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| Olander | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/16 | 4-40 x 7/16 soc cap vnt sst rohs () () | 25 | 
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| Olander | CA | Socket Head Cap Screw | ASTM A574 | Plain | #4-40 x 5/8 | 4-40 x 5/8 soc cap sps alloy () () | 6100 | 
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| Olander | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/32 | 4-40x7/32 flat soc sst rohs () | 465 | 
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| Olander | CA | Button Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40 x 5/8 but soc lam spec clean sst () () | 100 | 
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| Olander | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 9/16 | 4-40x9/16 trim hex hd sst () () | 983 | 
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| F. Solutions | OH | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | #4-40 x 3/8 | socket head cap screw 4-40x3/8 316 ss | 100 | 
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| F. Solutions | OH | Button Head Socket Cap Screw | Steel | Plain | #4-40 x 1/4 | button socket head cap screw 4-40x1/4 alloy steel | 250 | 
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| IRF | NC | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 4-40x5/8 socket cap screw 18-8 s/s | 7,650 | 
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| Parker | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 7/16 | 4-40 x 7/16 socket cap screw asme b18.3 .43 thread ff-s-86e w/am#4 302hq s/s passivate per nas1352c04-7 304ss made in u.s.a. | 27100 | 
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| Parker | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 7/16 | 4-40 x 7/16 socket cap screw asme b18.3 .43 thread ff-s-86e w/am#4 302hq s/s passivate per nas1352c04-7 304ss made in u.s.a. | 25000 | 
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| Parker | AZ | Socket Head Cap Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Passivated | #4-40 x 3/8 | 4-40 x 3/8 socket head cap screw fully threaded a286 passivated w/patch per nas1352n04lb6 made in u.s.a. | 11825 | 
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| Parker | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 1/4 | 4-40x1/4 socket head cap screw fully threaded 302 s/s passivate ff-s-86 made in u.s.a. | 1465 | 
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| Parker | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 1/4 | 4-40 x 1/4 socket head cap screw fully threaded 302 s/s passivate w/patch per ff-s-86e 304ss NAS1352C04LE4 made in u.s.a. | 450 | 
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| Parker | AZ | Socket Head Cap Screw | ASTM A574 | Passivated | #4-40 x 5/8 | 4-40x5/8 socket head cap screw fully threaded a286 super alloy passivate made in u.s.a. | 33800 | 
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| QCS | OR | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/4 | 4-40x3/4 soc cap screw stainless | 600 | 
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| QCS | OR | Flat Head Socket Cap Screw | Steel | Plain | #4-40 x 7/8 | 4-40x7/8 flat socket cap screw alloy | 100 | 
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| Hodell | OH | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/16 | 4-40x5/16 socket cap screw 18-8 304 | 778 | 
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| Arden | WI | Button Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 1/4 | 440x1/4 hxsoc button cs blk | inquire | 
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| Arden | WI | Socket Head Cap Screw | Steel | Zinc/Clear | #4-40 x 1/2 | 440x1/2 hxsoc cs w/pat zc | inquire | 
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| ASFCORP | MI | Button Head Socket Cap Screw | Steel | Black Oxide | #4-40 x 1/2 | 4-40 x 1/2 butt hd soc cap blk ox pkg | 1,350 | 
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| THRDFAST | AL | Socket Head Cap Screw | Steel | Plain | #4-40 x 2 | socket c/s b18.2.1 b18.3 | 50 | 
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| THRDFAST | AL | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 5/8 | 18-8 ss socket c/s b18.2.1 b18.3 | 847 | 
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