#4 Socket Cap Screws

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.

98,976 Socket Head Cap Screw, showing 200, (click on any line for more information)

Search Results Sponsored by Parker Fasteners, your source for Socket Head Cap Screws. For more results, visit   www.parkerfasteners.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
ParkerAZSocket Head Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 socket head cap screw 6-lobe dfar 4037 aly stl b18.2.1 b18.313,400
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ParkerAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/164-40 x 3/16 socket head cap screw dfar 302 s/s made in usa b18.2.1 b18.311,220
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ParkerAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 1/44-40 x 1/4 socket head cap screw dfar s.s. passivate lock-out w/pin made in usa b18.2.1 b18.310,450
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ParkerAZSocket Head Cap ScrewSteelBlack Oxide#4-40 x 34-40 x 3 socket head screw fully threaded dfar 4037 aly stl black oxide made in usa b18.2.1 b18.35,850
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Buy Socket Cap Screws from one of our FCH Network Partners
Zoro Tools Inc.Socket Head Cap ScrewSteelPlain#4-40#4-40 cylindrical socket head cap screw 1/2 in l 40 pk
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Zoro Tools Inc.Socket Head Cap ScrewSteelPlain#4-40#4-40 cylindrical socket head cap screw 5/8 in l 100 pk
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Zoro Tools Inc.Socket Head Cap ScrewSteelPlain#4-40#4-40 cylindrical socket head cap screw 5/16 in l 100 pk
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Zoro Tools Inc.Socket Head Cap ScrewSteelPlain#4-40#4-40 cylindrical socket head cap screw 1/2 in l 100 pk
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Set ScrewILSocket Head Cap ScrewSteelZinc/Black#4-40 x 1/4socket c/s black1596
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Set ScrewILSocket Head Cap ScrewSteelZinc/Black#4-40 x 3/8socket c/s black408
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ASMCILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-48 x 1 1/2fine socket hd c/s ss18-8 b18.3821
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ASMCILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8(ft) coarse socket hd c/s ss18-82,194
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ASMCILSocket Head Cap ScrewSteelPlain#4-40 x 3/8(ft) coarse socket hd c/s1,440
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ASMCILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-48 x 3/16fine socket hd c/s ss18-82,145
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ASMCILSocket Head Cap ScrewSteelPlain#4-40 x 1 3/8(pt) coarse socket hd c/s2,262
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QCSORSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/164-40 x 3/16 soc c/s ss800
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 soc c/s alloy nylon patch1,000
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 1/44-40 x 1/4 soc c/s alloy10,000
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QCSORSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40 x 1/4 soc c/s ss3,414
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 5/164-40 x 5/16 soc c/s alloy2,000
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QCSORSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/164-40 x 5/16 soc c/s ss5,000
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 soc c/s alloy patch200
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 3/84-40 x 3/8 soc c/s alloy usa200
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QCSORSocket Head Cap ScrewSteelNickel#4-40 x 3/84-40 x 3/8 soc c/s alloy nickel1,390
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QCSORSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 9/164-40 x 9/16 soc c/s ss900
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 5/84-40 x 5/8 soc c/s alloy100
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 7/164-40 x 7/16 soc c/s alloy100
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QCSORSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/44-40 x 3/4 soc c/s ss1,600
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 3/44-40 x 3/4 soc c/s alloy patch1,000
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QCSORSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 14-40 x 1 soc c/s ss1,537
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 1 3/164-40 x 1-3/16 soc c/s alloy4,000
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 1/8screw m/c socket head cap hexs/s passivated unc 3a# 4-40 x 1/8 in b18.2.1 b18.320004
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EximS'poreSocket Head Cap ScrewSteelBlack Oxide#4-40 x 3/16screw socket head cap hexsteel black oxide unc 3a#4-40 x 3/16 in b18.2.1 b18.39616
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EximS'poreSocket Head Cap ScrewSteelZinc/Black#4-40 x 3/16screw socket head cap hexsteel black zinc unc 3a# 4-40 x 3/16 in b18.2.1 b18.393438
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 3/16screw socket head cap hexs/s black oxide unc 3a# 4-40 x 3/16 in b18.2.1 b18.31760
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EximS'poreSocket Head Cap ScrewSteelZinc/Clear#4-40 x 1/4screw socket head cap hexsteel blue zn unc 2a# 4-40 x 1/4 in b18.2.1 b18.3610
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EximS'poreSocket Head Cap ScrewSteelBlack Oxide#4-40 x 1/4screw socket head cap hexsteel black oxide unc 3a# 4-40 x 1/4 in b18.2.1 b18.33785
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EximS'poreSocket Head Cap ScrewSteelZinc/Yellow#4-40 x 1/4screw socket head cap hexsteel yellow zn unc 3a# 4-40 x 1/4 in b18.2.1 b18.352074
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 1/4screw socket head cap hexs/s black oxide unc 3a#4-40 x 1/4 in b18.2.1 b18.31154
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 1/4screw socket head cap hexs/s passivated# 4-40 x 1/4 in b18.2.1 b18.3387
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 1/4screw socket head cap hexs/s passivated unc 3a# 4-40 x 1/4 in b18.2.1 b18.374000
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 1/4screw socket head cap hexs/s black oxide unc 2a#4-40 x 1/4 in b18.2.1 b18.330
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EximS'poreSocket Head Cap ScrewSteelZinc/Yellow#4-40 x 3/8screw socket head cap hexsteel yellow zn unc 3a# 4-40 x 3/8 in b18.2.1 b18.333696
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EximS'poreSocket Head Cap ScrewSteelZinc/Clear#4-40 x 3/8screw socket head cap hexsteel blue zn unc 3a#4-40 x 3/8 in b18.2.1 b18.31129
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 3/8screw socket head cap hexs/s black oxide unc 3a#4-40 x 3/8 in b18.2.1 b18.3779
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EximS'poreSocket Head Cap ScrewSteelBlack Oxide#4-40 x 3/8screw socket head cap hexsteel black oxide unc 3a# 4-40 x 3/8 in. b18.2.1 b18.35030
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EximS'poreSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 3/8screw socket head cap hexs/s passivated# 4-40 x 3/8 in b18.2.1 b18.32794
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QCSORSocket Head Cap ScrewSteelPlain#4-40 x 1/24-40 x 1/2 soc c/s alloy1484
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QCSORSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40 x 1/4 soc c/s ss ms16995-91000
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AIHAZSocket Head Cap ScrewSteelZinc/Clear#4-40 x 5/16shcs clear iridite12520
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 3/84-40x3/8 shcs unbrako #1107799500
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 1/4socket cap #107783800
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 1socket hd cap #109394200
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 1/2shcs 07816100
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AIHAZSocket Head Cap ScrewPlasticPlain#4-40shcs plastic black2023
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AIHAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/4socket c/s s/s250
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AIHAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4socket c/s s/s locking patch1500
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AIHAZSocket Head Cap Screw316, 317, A4 StainlessPlain#4-40 x 5/16socket c/s 316 s/s123
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AIHAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 11/16socket c/s s/s2000
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AIHAZSocket Head Cap Screw316, 317, A4 StainlessPlain#4-40 x 3/4socket c/s 316 s/s333
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AIHAZSocket Head Cap ScrewSteelZinc/Clear#4-40 x 5/16shcs clear iridite12520
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 1/4socket cap #107783800
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 1/2shcs 07816100
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 1socket hd cap #109394200
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AIHAZSocket Head Cap ScrewSteelPlain#4-40 x 3/84-40x3/8 shcs unbrako #1107799500
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 1socket c/s-100
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 1 1/4socket c/s1,250
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 1 1/2soc c/s375
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 1/8soc c/s400
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 1/4socket c/s1,100
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 1/2socket c/s-200
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 1 1/8socket c/s800
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 3/16socket c/s3,383
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 3/4socket c/s50
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 2socket cap100
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 3/8socket c/s820
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 5/16socket c/s300
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 9/16socket c/s2,700
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-48 x 1 1/4soc c/s100
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 7/8soc c/s100
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HBBOLTCASocket Head Cap ScrewSteelPlain#4-40 x 5/8socket c/s100
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LibertyILSocket Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x 5/84/40 x 5/8 socket c/s captive screw nas1352n04-10 captive screw nas1352n04-10 captive screw nas1352n04-102
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LibertyILSocket Head Cap ScrewSteelPlain#4-40 x 1/46-spline socket c/s12,300
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LibertyILSocket Head Cap ScrewSteelPlain#4-40 x 7/8socket c/s screw100
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LibertyILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4socket c/s 18-8 s/s nylock patch per print17,374
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LibertyILSocket Head Cap ScrewSteelPlain#4-40 x 1/24-40x1/2 socket c/s nylok patch screw nylok patch1,600
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LibertyILSocket Head Cap ScrewSteelNickel#4-40 x 7/16socket c/s plate screw plate2,500
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LibertyILSocket Head Cap ScrewSteelPlain#4-40 x 1 3/8socket c/s screw5,480
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LibertyILSocket Head Cap ScrewSteelPlain#4-40 x 5/8socket c/s screw1,050
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LibertyILSocket Head Cap ScrewSteelZinc/Clear#4-40 x 1/4socket c/s screw3,850
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LibertyILSocket Head Cap ScrewSteelZinc/Clear#4-40 x 5/16socket c/s screw5,595
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LibertyILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2socket c/s 18-8 s/s screw 18-8 s/s1,670
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LibertyILSocket Head Cap ScrewSteelZinc/Clear#4-40 x 1/2socket c/s plate4,500
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LibertyILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 2 3/8socket c/s ftl 18-8 s/s screw ftl 18-8 s/s780
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LibertyILSocket Head Cap ScrewSteelPlain#4-40 x 5/16socket c/s screw500
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LibertyILSocket Head Cap ScrewSteelNickel#4-40 x 5/8socket c/s plate screw plate780
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LibertyILSocket Head Cap ScrewSteelNickel#4-40 x 1/2socket c/s plate screw plate1,930
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ASMCILSocket Head Cap ScrewSteelPlain#4-40 x 3/8#4-40x3/8 (ft) coarse socket hd c/s 1936 series b18.375
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ASMCILSocket Head Cap ScrewSteelPlain#4-40 x 3/4(ft) coarse socket hd c/s nylon patch b18.31,000
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ASMCILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-48 x 3/4fine socket hd c/s ss18-8 b18.375
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ASMCILSocket Head Cap ScrewSteelPlain#4-40 x 3/4coarse socket hd c/s -usa blox b18.3200
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40x1/2 ss socket/c/s 304ss NAS1352-C04-87940
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2shcs 18-8 s/s2080
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/2shcs 18-8 s/s1650
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/44-40x1/4 ss socket/c/s 304ss NAS1352-C04-44102
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 7/16shcs 18-8 s/s3809
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/8shcs 18-8 s/s4300
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/84-40x3/8 ss socket/c/s 304ss NAS1352-C04-6735
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/8shcs 18-8 s/s3250
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/4shcs 18-8 s/s7026
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/4socket c/s 304ss NAS1352C04-20803
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GLFOHSocket Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x 3/8screw NAS1352N04-6380
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GLFOHSocket Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x 5/8socket c/s NAS1352N04-108265
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/16shcs 18-8 s/s1388
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4shcs 18-8 s/s127308
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GLFOHSocket Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x 3/8socket c/s NAS1352-N04H63111
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GLFOHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1shcs 18-8 s/s6097
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KomarARSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/2socket c/s 18-8 ss10,500
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KomarARSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/8socket c/s 18-8 ss100
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LibertyILSocket Head Cap ScrewSteelBlack Oxide#4-40 x 1/46-spline socket c/s screw black oxide3,240
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Alma BoltMISocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/4st. st. socket c/s886
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LibertyILSocket Head Cap ScrewSteelZinc/Clear#4-40 x 1/2socket c/s rohs1,446
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LibertyILSocket Head Cap ScrewSteelPlain#4-40 x 3/4socket c/s screw1,650
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