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5 1/2 inch length Hex Cap Screws (ASME B18. 2.1)

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.

Hex Head Cap Screw (b18.2.1), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHHex Head Cap ScrewGrade 5Zinc/Clear1/4-28 x 5 1/21/4-28x5-1/2 hhcs grade 5 stl zc b18.2.1 () () ()356
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GLFOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 5 1/21/2-13x5-1/2 hhcs grade 5 stl zc b18.2.1 () () ()1067
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GLFOHHex Head Cap ScrewGrade 5Plain1/2-13 x 5 1/21/2-13x5-1/2 hhcs grade 5 stl pln b18.2.1 () () ()36
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 5 1/21/2-13x5-1/2 hhcs grade 8 stl zy b18.2.1 () () ()1117
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GLFOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/21/2-13x5-1/2 hhcs 18-8 s/s b18.2.1 () () ()29
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 5 1/21-8 x 5 1/2 h/c dom gr 8 yel znc b18.2.1100
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5 1/21/4-20 x 5 1/2 h/c s/s b18.2.1100
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-28 x 5 1/21/4-28 x 5 1/2 h/c dom gr 8 yel znc b18.2.159
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 5 1/25/16-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.1165
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5 1/25/16-18 x 5 1/2 h/c s/s b18.2.130
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 5 1/25/16-24 x 5 1/2 h/c dom gr 8 yel znc b18.2.120
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 5 1/23/8-16 x 5 1/2 h/c dom gr 8 yel znc b18.2.119
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 5 1/23/8-16 x 5 1/2 h/c s/s b18.2.1195
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 5 1/23/8-24 x 5 1/2 h/c dom gr 8 yel znc b18.2.126
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 5 1/27/16-14 x 5 1/2 h/c gr 5 znc b18.2.1140
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 5 1/27/16-14 x 5 1/2 h/c dom gr 8 yel znc b18.2.1144
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-20 x 5 1/27/16-20 x 5 1/2 h/c dom gr 8 yel znc b18.2.1100
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 5 1/21/2-13 x 5-1/2 h/c gr 5 znc b18.2.1100
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 5 1/21/2-13 x 5 1/2 h/c dom gr 8 yel znc b18.2.1143
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow1/2-13 x 5 1/21/2-13 x 5 1/2 h/c f911 yel znc b18.2.16
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/21/2-13 x 5 1/2 h/c s/s b18.2.175
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 5 1/21/2-20 x 5 1/2 h/c dom gr 8 yel znc b18.2.183
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 5 1/29/16-12 x 5 1/2 h/c gr 5 znc b18.2.150
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-12 x 5 1/29/16-12 x 5 1/2 h/c dom gr 8 yel znc b18.2.167
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-18 x 5 1/29/16-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.147
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ASMCILHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 5 1/2(pt) coarse gr8 hex c/s -usa b18.2.18
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ASMCILHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 5 1/2(pt) coarse gr8 hex c/s -usa b18.2.1110
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 5 1/21-8 x 5 1/2 h/c dom gr 8 yel znc b18.2.17
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5 1/21/4-20 x 5 1/2 h/c s/s b18.2.125
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-28 x 5 1/21/4-28 x 5 1/2 h/c dom gr 8 yel znc b18.2.150
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 5 1/25/16-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.175
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 5 1/23/8-16 x 5 1/2 h/c gr 5 znc b18.2.125
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 5 1/23/8-16 x 5 1/2 h/c dom gr 8 yel znc b18.2.160
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 5 1/23/8-24 x 5 1/2 h/c dom gr 8 yel znc b18.2.127
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 5 1/27/16-14 x 5 1/2 h/c gr 5 znc b18.2.150
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 5 1/27/16-14 x 5 1/2 h/c dom gr 8 yel znc b18.2.115
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 5 1/21/2-13 x 5 1/2 h/c dom gr 8 yel znc b18.2.110
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 5 1/21/2-20 x 5 1/2 h/c dom gr 8 yel znc b18.2.130
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-12 x 5 1/29/16-12 x 5 1/2 h/c dom gr 8 yel znc b18.2.15
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 5 1/25/8-11 x 5 1/2 h/c dom gr 8 yel znc b18.2.15
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 5 1/25/8-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.15
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 5 1/23/4-10 x 5 1/2 h/c dom gr 8 yel znc b18.2.125
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 5 1/23/4-16 x 5 1/2 h/c dom gr 8 yel znc b18.2.110
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 5 1/27/8-9 x 5 1/2 h/c dom gr 8 yel znc b18.2.18
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Alma BoltMIHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 5 1/23/8-16 X 5 1/2 GRADE 5 HCS ZP b18.2.1811
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 5 1/23/4-10x5-1/2 yellow zinc finish sae j429 grade 8 hex cap screw ) b18.2.143
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 5 1/23/4-16x5-1/2 (ft) hex cap screws grade 8 fine zinc-yellow bake b18.2.18
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/4-28 x 5 1/21/4-28 x 5-1/2 grd8 yellow zinc hex cap screw) b18.2.15
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 5 1/25/8-18x5 1/2 (pt) hex cap screws grade 8 fine zinc-yellow bake b18.2.120
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SIIINHex Head Cap ScrewGrade 2Zinc/Clear3/4-10 x 5 1/23/4-10x5 1/2 (pt) grade 2 hex cap screw zinc cr+ b18.2.120
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-7 x 5 1/21-1/8-7x5-1/2 hex cap screw stainless 18-8 b18.2.14
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QFCTXHex Head Cap ScrewGrade 5Plain1/4-20 x 5 1/21/4-20x5 1/2 hex cap screw grade 5 b18.2.1634
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QFCTXHex Head Cap ScrewSteelGalvanized1 x 5 1/21x5-1/2 a325-1 hdg hvy hex c/s dom. n162437 b18.2.117
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QFCTXHex Head Cap ScrewSteelGalvanized1 x 5 1/21x5-1/2 a325-1 hdg hvy hex c/s dom. n162437 b18.2.133
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QFCTXHex Head Cap ScrewSteelGalvanized1 x 5 1/21x5-1/2 a325-1 hdg hvy hex c/s dom. n162437 b18.2.135
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QFCTXHex Head Cap ScrewGrade 2Galvanized3/8-16 x 5 1/23/8-16x5 1/2 hex c/s gr2 hdg b18.2.115
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QFCTXHex Head Cap ScrewGrade 2Galvanized3/8-16 x 5 1/23/8-16x5 1/2 hex c/s gr2 hdg b18.2.121
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QFCTXHex Head Cap ScrewGrade 2Galvanized1/2-13 x 5 1/21/2-13x5 1/2 hex c/s gr2 hdg b18.2.1114
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QFCTXHex Head Cap ScrewGrade 2Galvanized1/2-13 x 5 1/21/2-13x5 1/2 hex c/s gr2 hdg b18.2.157
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QFCTXHex Head Cap ScrewGrade 2Galvanized3/4-10 x 5 1/23/4-10x5 1/2 hex c/s gr2 hdg b18.2.1444
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QFCTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.) Plain1/4-20 x 5 1/21/4-20x5 1/2 hex c/s 18-8 b18.2.170
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QFCTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 5 1/23/8-16x5 1/2 hex c/s 18-8 b18.2.165
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QFCTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/21/2-13x5 1/2 hex c/s 18-8 b18.2.12925
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QFCTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 5 1/25/8-11x5 1/2 hex c/s 18-8 b18.2.160
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QFCTXHex Head Cap Screw316, 317, A4 StainlessPlain1-8 x 5 1/21-8x5 1/2 hex c/s 316ss f593h b18.2.12
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 5 1/21/4-20x5 1/2 hex c/s gr5 zinc b18.2.1360
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 5 1/23/8-16x5 1/2 hex c/s gr8 y/zinc b18.2.1161
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 5 1/23/8-16x5 1/2 hex c/s gr8 y/zinc b18.2.125
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 5 1/27/16-14x5 1/2 hex c/s gr5 zinc b18.2.130
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QFCTXHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 5 1/21/2-13x5 1/2 hex c/s gr2 zinc b18.2.135
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QFCTXHex Head Cap ScrewGrade 2Zinc/Clear1/2-13 x 5 1/21/2-13x5 1/2 hex c/s gr2 zinc b18.2.1200
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CascadeORHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 5 1/2hex c/s 18-8ss b18.2.11400
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B & K FASTPAHex Head Cap ScrewGrade 2Plain7/16-14 x 5 1/27/16-14 x 5 1/2 hex cap screws gr 2 plain b18.2.119
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B & K FASTPAHex Head Cap ScrewGrade 8Plain7/16-20 x 5 1/27/16-20 x 5 1/2 hex cap screws gr 8 plain b18.2.110
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B & K FASTPAHex Head Cap ScrewGrade 5Plain9/16-12 x 5 1/29/16-12 x 5 1/2 hex cap screws gr 5 plain b18.2.1415
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 5 1/29/16-12 x 5 1/2 hex cap screws gr 5 zinc b18.2.165
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B & K FASTPAHex Head Cap ScrewGrade 8Plain9/16-12 x 5 1/29/16-12 x 5 1/2 hex cap screws gr 8 plain b18.2.179
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-12 x 5 1/29/16-12 x 5 1/2 hex cap screws gr 8 z yellow b18.2.1180
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B & K FASTPAHex Head Cap ScrewGrade 5Plain9/16-18 x 5 1/29/16-18 x 5 1/2 hex cap screws gr 5 plain b18.2.19988
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-18 x 5 1/29/16-18 x 5 1/2 hex cap screws gr 8 z yellow b18.2.162
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow5/8-11 x 5 1/25/8-11 x 5 1/2 hex cap screws gr 5 z yellow b18.2.17
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Clear5/8-11 x 5 1/25/8-11 x 5 1/2 hex cap screws gr l9 zinc b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/8-18 x 5 1/25/8-18 x 5 1/2 hex cap screws gr 5 zinc b18.2.11024
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B & K FASTPAHex Head Cap ScrewGrade 8Plain5/8-18 x 5 1/25/8-18 x 5 1/2 hex cap screws gr 8 plain b18.2.148
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 5 1/25/8-18 x 5 1/2 hex cap screws gr 8 z yellow b18.2.1240
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear3/4-10 x 5 1/23/4-10 x 5 1/2 hex cap screws gr 2 zinc b18.2.138
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B & K FASTPAHex Head Cap ScrewGrade 5Plain3/4-10 x 5 1/23/4-10 x 5 1/2 hex cap screws gr 5 plain b18.2.112
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B & K FASTPAHex Head Cap ScrewGrade 9Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/4-10 x 5 1/23/4-10 x 5 1/2 hex cap screws gr 9 dacro b18.2.18
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B & K FASTPAHex Head Cap ScrewGrade 2Plain7/8-9 x 5 1/27/8-9 x 5 1/2 hex cap screws gr 2 plain b18.2.1421
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear7/8-9 x 5 1/27/8-9 x 5 1/2 hex cap screws gr 2 zinc b18.2.111
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow7/8-9 x 5 1/27/8-9 x 5 1/2 hex cap screws gr 5 z yellow b18.2.126
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Clear7/8-9 x 5 1/27/8-9 x 5 1/2 hex cap screws gr 8 zinc b18.2.14
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WurthOntHex Head Cap ScrewGrade 5Plain3/4-10 x 5 1/2scr hcs gr5 (xyl1070b) 3/4-10x5 1/2 b18.2.1100
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WurthOntHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 5 1/2scr hcs gr8 (zy) 1/2-13x5 1/2 b18.2.1100
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WurthOntHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 5 1/2scr hcs (18-8) 3/8-16x5 1/2 b18.2.120
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JET FITTINGCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/21/2-13x5 1/2 (pt) unc hex cap screws stainlestainless steel hex cap screws stainless 18 8 hhcap screw (inch) astm f593 b18.2.125
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