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3/8-16 Hex Cap Screws

Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.

180,424 Hex Head Cap Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
RCFastAZHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 2hex cap gr5 cr+3741
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RCFastAZHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 1/4hex cap gr52400
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RCFastAZHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 1/2hex cap gr5675
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RCFastAZHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 2 1/2hex cap gr588
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RCFastAZHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3 1/2hex cap gr5 cr+3168
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TownCountryARHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 13/8-16 x 1 hex cap screw s.s. 3164
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TownCountryARHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/43/8-16 x 1 3/4 hex cap screw s.s. 18-835
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TownCountryARHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 5 1/23/8-16 x 5 1/2 hex cap screw gr. 5 zinc91
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TownCountryARHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3/43/8-16 x 3/4 hex cap screw gr.8 yellow zinc w/ microspheres patch blue13285
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TownCountryARHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 13/8-16 x 1 hex cap screw gr.8 yellow zinc w/ microspheres patch blue1800
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AmericanNYHex Head Cap ScrewSteelPlain3/8-16 x 1/4hex c/s700
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AmericanNYHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1/2hex c/s pl2890
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AmericanNYHex Head Cap ScrewSteelPlain3/8-16 x 5/8hex c/s2500
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AmericanNYHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3/4hex c/s500
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AmericanNYHex Head Cap ScrewSteelBlack Oxide3/8-16 x 7/8hex c/s black ox3000
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AmericanNYHex Head Cap ScrewSteelPlain3/8-16 x 7/8hex c/s1325
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AmericanNYHex Head Cap ScrewSteelZinc/Yellow3/8-16 x 7/8hex c/s1155
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AmericanNYHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 1/8hex c/s pl850
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AmericanNYHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 1 1/2hex c/s200
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AmericanNYHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 2hex c/s2568
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AmericanNYHex Head Cap ScrewSteelZinc/Yellow3/8-16 x 2 1/4hex c/s500
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AmericanNYHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 2 1/4hex c/s pl19
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AmericanNYHex Head Cap ScrewGrade 5Zinc/Yellow3/8-16 x 2 1/4hex c/s600
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AmericanNYHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 2 1/4hex c/s576
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AmericanNYHex Head Cap ScrewSteelGalvanized3/8-16 x 2 1/2hex c/s hot dipped19
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AmericanNYHex Head Cap ScrewSteelZinc/Clear3/8-16 x 2 1/2hex c/s pl500
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AmericanNYHex Head Cap ScrewSteelPlain3/8-16 x 2 3/4hex c/s3850
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AmericanNYHex Head Cap ScrewSteelZinc/Yellow3/8-16 x 3 1/2hex c/s1828
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AmericanNYHex Head Cap ScrewSteelPlain3/8-16 x 3 1/2hex c/s190
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AmericanNYHex Head Cap ScrewGrade 5Zinc/Yellow3/8-16 x 3 1/2hex cap330
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JHP FastenersTXHex Head Cap ScrewGrade 8Cadmium/Yellow3/8-16 x 1 3/4hex cap screw 3/8-16 x 1-3/4 steel grade 5 cad plate MS90728-65275
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 4 1/23/8-16x4-1/2 grd5 hex cap screw/zinc) b18.2.1118
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 1/23/8-16 x 3-1/2 grd8 yellow zinc hex cap screw) b18.2.153
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SIIINHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 13/8-16x1 (ft) grade 2 hex cap screw zinc cr+3 b18.2.12350
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 13/8-16x1 grd5 hex cap screw/zinc) b18.2.12416
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 63/8-16x6 grd5 hex cap screw/zinc) b18.2.175
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 13/8-16 x 1 grd8 yellow zinc hex cap screw) b18.2.1955
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 2 1/23/8-16 x 2-1/2 grd8 yellow zinc hex cap screw) b18.2.1480
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 43/8-16 x 4 grd8 yellow zinc hex cap screw) b18.2.1200
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SIIINHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 43/8-16x4 (pt) grade 2 hex cap screw zinc cr+3 b18.2.1150
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 13/8-16x1 grd5 hex cap screw/zinc) b18.2.12700
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3/43/8-16 x 3/4 grd5 zinc hex cap screw usa) b18.2.11006
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1 1/43/8-16 x 1-1/4 grd5 zinc hex cap screw usa) b18.2.12375
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/23/8-16 x 1/2 18-8 stainless steel hex cap screw) b18.2.1775
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16x3/4 (ft) unc hex cap screws coarse stain a2 (18-8) b18.2.125
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 18-8 stainless steel hex cap screw) b18.2.1525
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16 x 1-1/4 18-8 stainless steel hex cap screw) b18.2.1525
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16 x 1-1/2 18-8 stainless steel hex cap screw) b18.2.1326
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/43/8-16 x 1-3/4 18-8 stainless steel hex cap screw) b18.2.1291
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2-1/2 18-8 stainless steel hex cap screw) b18.2.15
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 83/8-16x8 (pt) hex cap screws grade 5 coarse med. carbon zinc cr+3 b18.2.120
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B & K FASTPAHex Head Cap ScrewBrassPlain3/8-16 x 3/43/8-16 x 3/4 hex cap screws brass b18.2.1209
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B & K FASTPAHex Head Cap ScrewBrassPlain3/8-16 x 13/8-16 x 1 hex cap screws brass b18.2.141
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B & K FASTPAHex Head Cap ScrewSilicon BronzePainted3/8-16 x 13/8-16 x 1 hex cap screws sil bronze b18.2.1145
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B & K FASTPAHex Head Cap ScrewBrassPlain3/8-16 x 1 1/43/8-16 x 1 1/4 hex cap screws brass b18.2.197
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B & K FASTPAHex Head Cap ScrewSilicon BronzePainted3/8-16 x 1 1/43/8-16 x 1 1/4 hex cap screws sil bronze b18.2.112
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 13/8-16 x 1 hex cap screws hd galv b18.2.11498
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 1 1/43/8-16 x 1 1/4 hex cap screws hd galv b18.2.11119
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 1 1/23/8-16 x 1 1/2 hex cap screws hd galv b18.2.156
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 2 1/23/8-16 x 2 1/2 hex cap screws hd galv b18.2.1500
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 43/8-16 x 4 hex cap screws hd galv b18.2.13455
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 53/8-16 x 5 hex cap screws hd galv b18.2.1273
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 63/8-16 x 6 hex cap screws hd galv b18.2.1624
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 73/8-16 x 7 hex cap screws hd galv 6 thread b18.2.1156
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 83/8-16 x 8 hex cap screws hd galv b18.2.135
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 83/8-16 x 8 hex cap screws hd galv 6 thread length b18.2.192
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 103/8-16 x 10 hex cap screws hd galv b18.2.1149
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 103/8-16 x 10 hex cap screws hd galv 6 thread b18.2.1139
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B & K FASTPAHex Head Cap ScrewSteelGalvanized3/8-16 x 123/8-16 x 12 hex cap screws hd galv w/6 thread b18.2.1200
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B & K FASTPAHex Head Cap ScrewGrade 2Plain3/8-16 x 1/23/8-16 x 1/2 hex cap screws gr 2 plain b18.2.1230
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 1/23/8-16 x 1/2 hex cap screws gr 5 zinc b18.2.14463
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