5/16-18 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.

98,627 Socket Head Cap Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
ParkerAZSocket Head Cap ScrewSteelPlain5/16-18 x 1.05/16-18x1.0 socket head cap screw-asme b18.3 1.0 thrad 4037 aly stl 39-43 hrc low profile head thermal blacken619
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ParkerAZSocket Head Cap ScrewSteelPlain5/16-18 x 1.05/16-18x 1.0 socket head cap screw fully l/h threaded 4037 aly stl370
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ParkerAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-18 x 1 1/85/16-18x1-1/8 socket head cap screw fully threaded astm f837 (2013e1) aly gp1 cond cw1 304 s.s. passivate w/knurled head5100
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ParkerAZSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 15/16-18x1 socket head cap screw w/sems captive washer 4037 aly stl hrc black oxide (5ea/pk made in usa)5775
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SIIINSocket Head Cap ScrewSteelPlain5/16-18 x 1 3/85/16-18x1 3/8 (ft) socket head cap screws unc alloy thermal black oxide b18.2.1 b18.3600
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SIIINSocket Head Cap ScrewSteelPlain5/16-18 x 35/16-18x3 shcs plain)275
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SIIINSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 5/85/16 -18 x 5/8 black oxide alloy steel socket cap screw)400
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SIIINSocket Head Cap ScrewSteelPlain5/16-18 x 2 3/45/16-18x2-3/4 shcs plain)275
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SIIINSocket Head Cap ScrewSteelPlain5/16-18 x 3 1/45/16-18x3-1/4 shcs plain)325
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MAINSOURCNHSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 7/85/16-18x1 7/8 soc cap sc 18-8 ss17
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MAINSOURCNHSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 55/16-18x5 soc cap sc stl blk25
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AmericanNYSocket Head Cap ScrewSteelZinc/Clear5/16-18 x 1 3/4socket cap pl250
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AmericanNYSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/4socket c/s 18-8 30490
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AmericanNYSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/4socket c/s 18-8 304500
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AmericanNYSocket Head Cap ScrewSteelPlain5/16-18 x 1/2socket c/s588
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Lubker DiPASocket Head Cap ScrewSteelPlain5/16-18 x 3/45/16-18x3/4 low hd shcs alloy pln464
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Lubker DiPASocket Head Cap ScrewGrade B7Plain5/16-18 x 7/85/16-18 (unc-2a)x7/8 socket head cap screw (full threads) astm a193 b7 plain60
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Lubker DiPASocket Head Cap ScrewSteelZinc/Yellow5/16-18 x 1 1/25/16-18x1 1/2 socket hd c/s zp yell & bake1000
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Lubker DiPASocket Head Cap ScrewSteelPlain5/16-18 x 25/16-18x2 shcs pln (unbrako)900
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Set ScrewILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/218-8 304 low socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 1/4hex socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 7/16socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 1socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 1socket c/s with blue nylon patchinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 1 1/4socket c/s with blue nylon patchinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 1 1/2socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 2 1/4socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 2 1/2f/t hex socket c/sinquire
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Set ScrewILSocket Head Cap ScrewBrassPlain5/16-18 x 3/4socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 3 1/2f/t socket c/sinquire
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Set ScrewILSocket Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 3/4316 stainless socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelZinc/Clear5/16-18 x 1.38dog point pan with torx-slotted combo drive mounting bolt plate rohs compliantinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 1 1/8socket c/sinquire
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Set ScrewILSocket Head Cap ScrewSteelPlain5/16-18 x 4.0socket c/s with 1 3/8 l.h. threadinquire
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Set ScrewILSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/818-8 304 socket c/sinquire
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ACCURATEILSocket Head Cap ScrewSteelChrome5/16-18 x 1 1/4socket c/s nickel (with serrations around the head)780
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ACCURATEILSocket Head Cap ScrewSteelPlain5/16-18 x 55/16-18x5 coarse socket head cap sc plain (alloy)174
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RCFastAZSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 3/8socket cap stl black ox0
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RCFastAZSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 5/8socket cap stl black ox0
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RCFastAZSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 7/8socket cap stl black ox0
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RCFastAZSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 2 1/4socket cap stl black ox(pt)0
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RCFastAZSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 2 3/4socket cap stl black ox(pt)0
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RCFastAZSocket Head Cap ScrewSteelBlack Oxide5/16-18 x 3 1/4socket cap stl black ox(pt)0
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/8socket cap 18-8 3040
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/2socket cap 18-8 3040
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/8socket cap 18-8 3040
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/8socket cap 18-8 3040
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/4socket cap 18-8 3040
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/2socket cap 18-8 3040
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/4socket cap 18-8 304(pt)0
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2socket cap 18-8 304(pt)0
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/4socket cap 18-8 304(pt)0
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RCFastAZSocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/2socket cap 18-8 304(pt)0
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 soc cap screw s/s b18.2.1 b18.34807
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 soc cap screw s/s b18.2.1 b18.3300
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 soc cap screw w/patch s/s b18.2.1 b18.310
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 soc cap screw alloy b18.2.1 b18.3828
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 soc cap screw alloy b18.2.1 b18.3300
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1 1/4 soc cap screw s/s b18.2.1 b18.3272
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1 1/4 soc cap screw s/s b18.2.1 b18.375
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 soc cap screw alloy b18.2.1 b18.3312
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 soc cap screw alloy b18.2.1 b18.350
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AbabaCASocket Head Cap ScrewSteelZinc/Clear5/16-18 x 1 1/45/16-18 x 1 1/4 soc cap screw alloy znc b18.2.1 b18.3325
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 soc cap screw s/s b18.2.1 b18.3113
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Ab abaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 soc cap screw s/s b18.2.1 b18.375
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 soc cap screw alloy b18.2.1 b18.3237
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 soc cap screw alloy b18.2.1 b18.3150
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/45/16-18 x 1 3/4 soc cap screw s/s b18.2.1 b18.3155
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/45/16-18 x 1 3/4 soc cap screw s/s b18.2.1 b18.325
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FTSOHSocket Head Cap ScrewSteelPlain5/16-18 x 5 1/25/16-18x5 1/2 soc cs loctite sts print ww504864a3 must be clean and free from grease & oil copy exact per print ww504864a3650
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JacksonMSSocket Head Cap Screw316, 317, A4 StainlessPlain5/16-18 x 2nc socket hd c/s 316 stainless50
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 1 3/4nc dom.. socket hd c/s .19
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 3 1/4nc dom.. socket hd c/s .30
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 1/2nc socket hd cap1378
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 5/8nc socket hd cap2280
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 3/4nc socket hd cap206
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 7/8nc socket hd cap924
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 1nc socket hd cap1494
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 1 1/4nc socket hd cap2752
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 1 1/2nc socket hd cap869
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 1 3/4nc socket hd cap404
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JacksonMSSocket Head Cap ScrewSteelPlain5/16-18 x 2nc socket hd cap416
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AbabaCASocket Head Cap ScrewNylonPlain5/16-18 x 15/16-18 x 1 soc cap screw black nylon b18.2.1 b18.33680
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 15/16-18 x 1 low soc cap screw alloy b18.2.1 b18.31308
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide5/16-18 x 1 1/45/16-18 x 1-1/4 socket head cap screw stainless steel black oxide b18.2.1 b18.350
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide5/16-18 x 25/16-18 x 2 socket head cap screw stainless steel black oxide b18.2.1 b18.310
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/45/16-18 x 3 1/4 soc cap screw s/s b18.2.1 b18.350
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AbabaCASocket Head Cap ScrewNylonPlain5/16-18 x 1/25/16-18 x 1/2 soc cap screw black w/knob nylon b18.2.1 b18.3698
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 1/25/16-18 x 1/2 low soc cap screw alloy b18.2.1 b18.350
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 5 1/25/16-18 x 5 1/2 inch soc cap screw alloy b18.2.1 b18.380
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AbabaCASocket Head Cap ScrewSteelPlain5/16-18 x 65/16-18 x 6 soc cap screw alloy b18.2.1 b18.350
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AbabaCASocket Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide5/16-18 x 3/45/16-18 x 3/4 soc cap screw s/s blk ox wax b18.2.1 b18.3255
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TownCountryARSocket Head Cap ScrewSteelPlain5/16-18 x 1socket c/s900
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CNBILSocket Head Cap ScrewSteelPlain5/16-18 x 1 1/4socket c/s569
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CNBILSocket Head Cap ScrewSteelPlain5/16-18 x 1/2socket c/s40
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AmericanNYSocket Head Cap ScrewSteelPlain5/16-18 x 1socket c/s400
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AmericanNYSocket Head Cap ScrewSteelPlain5/16-18 x 1 1/2socket cap500
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