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8 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 
AbabaCAHex Head Cap ScrewSteelPlain1/4 x 81/4 x 8 sds hvy duty hex screw 3/8 hd b18.2.19
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 81-8 x 8 h/c dom gr 8 yel znc b18.2.116
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AbabaCAHex Head Cap ScrewGrade 8Plain1-14 x 81-14 x 8 h/c gr 8 pln b18.2.110
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1-14 x 81-14 x 8 h/c dom gr 8 yel znc b18.2.116
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AbabaCAHex Head Cap ScrewGrade 8Plain1 1/4-7 x 81 1/4-7 x 8 h/c gr 8 pln b18.2.12
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AbabaCAHex Head Cap ScrewGrade 8Plain5/16-18 x 85/16-18 x 8 h/c gr 8 pln b18.2.11
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AbabaCAHex Head Cap ScrewGrade 8Plain5/16-24 x 85/16-24 x 8 h/c gr 8 pln b18.2.122
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 83/8-16 x 8 h/c gr 5 znc b18.2.136
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AbabaCAHex Head Cap ScrewGrade 8Plain3/8-16 x 83/8-16 x 8 h/c gr 8 pln b18.2.121
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 81/2-13 x 8 h/c gr 5 znc b18.2.140
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 81/2-13 x 8 h/c dom gr 8 yel znc b18.2.129
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 81/2-13 x 8 h/c s/s b18.2.13
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 81/2-20 x 8 h/c dom gr 8 yel znc b18.2.166
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 85/8-11 x 8 h/c dom gr 5 znc b18.2.11
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 85/8-11 x 8 h/c dom gr 8 yel znc b18.2.146
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 85/8-11 x 8 h/c s/s b18.2.120
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 85/8-18 x 8 h/c dom gr 8 yel znc b18.2.136
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 83/4-10 x 8 h/c dom gr 8 yel znc b18.2.140
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 83/4-10 x 8 h/c s/s b18.2.16
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 83/4-16 x 8 h/c dom gr 8 yel znc b18.2.116
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GLFOHHex Head Cap ScrewGrade 5Plain1/4-20 x 81/4-20x8 hhcs grade 5 stl pln b18.2.1 () () ()275
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 81/2-13x8 hhcs grade 8 stl zy b18.2.1 () () ()25
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GLFOHHex Head Cap ScrewGrade 5Zinc/Clear1 1/4-7 x 81-1/4-7x8 hhcs grade 5 stl zc b18.2.1 () () ()6
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GLFOHHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 81-8x8 hhcs grade 5 stl zc b18.2.1 () () ()55
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GLFOHHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 85/8-11x8 hhcs grade 5 stl zc b18.2.1 () () ()30
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 85/8-11x8 hhcs grade 8 stl zy b18.2.1 () () ()2
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GLFOHHex Head Cap ScrewGrade 5Plain1-8 x 81-8x8 hhcs grade 5 stl pln b18.2.1 () () ()47
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GLFOHHex Head Cap ScrewGrade 5Plain1 1/2-6 x 81-1/2-6x8 hhcs grade 5 stl pln b18.2.1 () () ()18
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GLFOHHex Head Cap ScrewGrade 5Plain1 1/4-7 x 81-1/4-7x8 hhcs grade 5 stl pln b18.2.1 () () ()5
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 83/4-10x8 hhcs grade 8 stl zy b18.2.1 () () ()40
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GLFOHHex Head Cap ScrewGrade 8Plain1 3/4-5 x 81-3/4-5x8 hhcs grade 8 stl pln b18.2.1 () () ()2
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GLFOHHex Head Cap ScrewGrade 8Plain1-8 x 81-8x8 hhcs grade 8 stl pln b18.2.1 () () ()9
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GLFOHHex Head Cap ScrewGrade 5Plain1 3/4-5 x 81-3/4-5x8 hhcs grade 5 stl pln b18.2.1 () () ()2
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GLFOHHex Head Cap ScrewGrade 8Plain1 1/8-7 x 81-1/8-7x8 hhcs grade 8 stl pln b18.2.1 () () ()10
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GLFOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-7 x 81-1/4-7x8 hhcs 18-8 s/s b18.2.1 () () ()4
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GLFOHHex Head Cap ScrewGrade 5Plain5/16-18 x 85/16-18x8 hhcs grade 5 stl pln b18.2.1 () () ()259
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GLFOHHex Head Cap ScrewGrade 8Plain1 1/4-12 x 81-1/4-12x8 hhcs grade 8 stl pln b18.2.1 () () ()8
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 81-8x8 hhcs grade 8 stl zy b18.2.1 () () ()27
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GLFOHHex Head Cap ScrewGrade 8Zinc/Yellow1 1/2-6 x 81-1/2-6x8 hhcs grade 8 stl zy b18.2.1 () () ()1
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GLFOHHex Head Cap ScrewGrade B8Fluoropolymer-Based (Xylan, Fluorokote, Teflon)1 1/4-8 x 81-1/4-8x8 hhcs a193 b-8 s/s teflon b18.2.1 () () ()2
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ASMCILHex Head Cap ScrewGrade 5Plain5/8-11 x 8(pt) coarse gr5 hex c/s med carb b18.2.131
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AbabaCAHex Head Cap ScrewGrade 8Plain3/8-16 x 83/8-16 x 8 h/c gr 8 pln b18.2.110
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 83/8-16 x 8 h/c s/s b18.2.125
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AbabaCAHex Head Cap ScrewGrade 8Plain7/16-14 x 87/16-14 x 8 h/c gr 8 pln b18.2.16
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 81/2-13 x 8 h/c dom gr 8 yel znc b18.2.120
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 81/2-20 x 8 h/c dom gr 8 yel znc b18.2.12
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AbabaCAHex Head Cap ScrewGrade 8Plain9/16-12 x 89/16-12 x 8 h/c gr 8 pln b18.2.19
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 85/8-18 x 8 h/c dom gr 8 yel znc b18.2.13
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 83/4-10 x 8 h/c dom gr 8 yel znc b18.2.18
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AbabaCAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 83/4-16 x 8 h/c dom gr 8 yel znc b18.2.110
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AbabaCAHex Head Cap ScrewGrade 8Plain1 1/8-7 x 81 1/8-7 x 8 h/c dom gr 8 pln b18.2.11
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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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GLFOHHex Head Cap ScrewGrade 5Plain1 3/8-6 x 81-3/8-6x8 hhcs grade 5 stl pln b18.2.1 5
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QFCTXHex Head Cap ScrewGrade 5Plain1/2-13 x 81/2-13x8 hex cap screw grade 5 copper b18.2.158
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QFCTXHex Head Cap ScrewGrade 5Galvanized1/2-13 x 81/2-13x8 hex c/s gr5 6 thread hdg domestic msf b18.2.1747
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QFCTXHex Head Cap ScrewGrade 5Galvanized1/2-13 x 81/2-13x8 hex c/s gr5 6 thread hdg domestic msf b18.2.14
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QFCTXHex Head Cap ScrewGrade 5Galvanized5/8-11 x 85/8-11x8 hex c/s gr5 hdg domestic b18.2.1203
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QFCTXHex Head Cap ScrewSteelGalvanized7/8 x 87/8x8 a325-1 hvy hex cap screw hdg domestic (rocap) b18.2.113
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QFCTXHex Head Cap ScrewGrade 2Galvanized1/2-13 x 81/2-13x8 hex c/s gr2 hdg b18.2.121
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QFCTXHex Head Cap ScrewGrade 2Galvanized5/8-11 x 85/8-11x8 hex c/s gr2 hdg b18.2.128
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QFCTXHex Head Cap ScrewGrade 2Galvanized5/8-11 x 85/8-11x8 hex c/s gr2 hdg b18.2.130
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QFCTXHex Head Cap ScrewGrade 2Galvanized5/8-11 x 85/8-11x8 hex c/s gr2 hdg b18.2.12
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QFCTXHex Head Cap ScrewGrade 2Galvanized3/4-1 0 x 83/4-10x8 hex c/s gr2 hdg b18.2.136
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QFCTXHex Head Cap ScrewGrade 2Galvanized1-8 x 81-8x8 hex c/s gr2 hdg b18.2.113
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QFCTXHex Head Cap ScrewGrade 2Galvanized1-8 x 81-8x8 hex c/s gr2 hdg b18.2.16
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QFCTXHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 85/8-11x8 hex c/s 18-8 b18.2.1125
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 85/16-18x8 hex c/s gr5 zinc b18.2.11575
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QFCTXHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 83/8-16x8 hex c/s gr2 zinc b18.2.110
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 83/8-16x8 hex c/s gr5 zinc b18.2.1123
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QFCTXHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 81/2-13x8 hex c/s gr5 zinc b18.2.1115
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 81/2-13x8 hex c/s gr8 y/zinc b18.2.125
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 81/2-13x8 hex c/s gr8 y/zinc b18.2.139
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 81/2-20x8 hex c/s gr8 y/zinc b18.2.116
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B & K FASTPAHex Head Cap ScrewGrade 5Plain3/8-24 x 83/8-24 x 8 hex cap screws gr 5 plain b18.2.113
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B & K FASTPAHex Head Cap ScrewGrade 5Plain7/16-20 x 87/16-20 x 8 hex cap screws gr 5 plain b18.2.113
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-20 x 87/16-20 x 8 hex cap screws gr 8 z yellow b18.2.17
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 81/2-13 x 8 hex cap screws gr 5 z yellow b18.2.121
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-13 x 81/2-13 x 8 hex cap screws gr 8 plain b18.2.1193
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B & K FASTPAHex Head Cap ScrewGrade 5Plain3/4-16 x 83/4-16 x 8 hex cap screws gr 5 plain b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Yellow5/8-11 x 85/8-11 x 8 hex cap screws gr 2 z yellow b18.2.17
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B & K FASTPAHex Head Cap ScrewGrade 5Plain5/8-11 x 85/8-11 x 8 hex cap screws gr 5 plain b18.2.12
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 85/8-11 x 8 hex cap screws gr 5 zinc b18.2.1278
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow5/8-11 x 85/8-11 x 8 hex cap screws gr 5 z yellow b18.2.115
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear3/4-16 x 83/4-16 x 8 hex cap screws gr 5 zinc b18.2.116
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear5/8-18 x 85/8-18 x 8 hex cap screws gr 2 zinc b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear5/8-18 x 85/8-18 x 8 hex cap screws gr 5 zinc b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 8Plain5/8-18 x 85/8-18 x 8 hex cap screws gr 8 plain b18.2.138
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow3/4-16 x 83/4-16 x 8 hex cap screws gr 5 z yellow b18.2.16
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B & K FASTPAHex Head Cap ScrewGrade 8Plain3/4-16 x 83/4-16 x 8 hex cap screws gr 8 plain b18.2.16
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-16 x 83/4-16 x 8 hex cap screws gr 8 z yellow b18.2.127
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B & K FASTPAHex Head Cap ScrewGrade 9Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)7/8-9 x 87/8-9 x 8 hex cap screws gr l9 dacro b18.2.14
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear7/8-14 x 87/8-14 x 8 hex cap screws gr 5 zinc b18.2.115
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B & K FASTPAHex Head Cap ScrewGrade 8Plain7/8-14 x 87/8-14 x 8 hex cap screws gr 8 plain b18.2.118
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Marine FastenersFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-6 x 81 1/2-6x8 hex head cs ss f593d b18.2.11503
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Marine FastenersFLHex Head Cap Screw316, 317, A4 StainlessPlain5/8-11 x 85/8-11x8 hex head cs 316ss 316ss b18.2.11695
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Marine FastenersFLHex Head Cap ScrewSteelZinc/Clear1/2-13 x 81/2-13x8 hex hd cap screw zinc dichcromate b18.2.15080
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Marine FastenersFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 85/16-18x8 hex hd cs ss f593c b18.2.11225
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Marine FastenersFLHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 83/8-16x8 hex head cs 316ss 316ss b18.2.11387
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Marine FastenersFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 81/4-20x8 hex head cap screw 18-8 ss 1 per small bag 5 small bags per master pack-generic brand b18.2.190
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JET FITTINGCAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 81/4-20x8 (pt) hex cap screw steel grade-8 zinc plated yellow b18.2.1135
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WurthOntHex Head Cap ScrewGrade 5Zinc/Clear1 1/4-7 x 8scr hcs gr5 (zn) 1 1/4-7x8 b18.2.120
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THRDFASTFLHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 8gr2 hex c/s b18.2.1192
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THRDFASTFLHex Head Cap ScrewGrade 2Plain3/8-16 x 8gr2 hex c/s b18.2.133
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THRDFASTFLHex Head Cap ScrewGrade 2Plain1 1/4-7 x 8gr2 hex c/s b18.2.132
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THRDFASTFLHex Head Cap ScrewGrade 2Zinc/Clear7/8-9 x 8gr2 hex c/s b18.2.130
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THRDFASTFLHex Head Cap ScrewGrade 5Plain5/8-11 x 8gr5 hex c/s b18.2.130
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THRDFASTFLHex Head Cap ScrewGrade 2Plain1-8 x 8gr2 hex c/s b18.2.127
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THRDFASTFLHex Head Cap ScrewGrade 8Plain3/4-10 x 8gr8 hex c/s b18.2.1 domestic21
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THRDFASTFLHex Head Cap ScrewGrade 2Plain5/8-11 x 8gr2 hex c/s b18.2.118
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THRDFASTFLHex Head Cap ScrewGrade 2Plain1 1/2-6 x 8gr2 hex c/s b18.2.116
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THRDFASTFLHex Head Cap ScrewGrade 5Plain3/4-10 x 8gr5 hex c/s b18.2.124
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THRDFASTFLHex Head Cap ScrewGrade 5Zinc/Clear7/8-9 x 8gr5 hex c/s b18.2.113
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THRDFASTFLHex Head Cap ScrewGrade 8Plain1-8 x 8gr8 hex c/s b18.2.1 domestic12
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THRDFASTFLHex Head Cap ScrewGrade 5Plain1 3/4-5 x 8gr5 hex c/s b18.2.111
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THRDFASTFLHex Head Cap ScrewGrade 5Plain1-8 x 8gr5 hex c/s b18.2.110
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THRDFASTFLHex Head Cap ScrewGrade 8Zinc/Yellow1 1/4-7 x 8gr8 hex c/s z&y b18.2.18
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THRDFASTFLHex Head Cap ScrewGrade 2Plain7/8-9 x 8gr2 hex c/s b18.2.18
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THRDFASTFLHex Head Cap ScrewGrade AZinc/Clear5/8 x 8a307a hex c/s rt6 b18.2.110
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THRDFASTFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 818-8 ss hex c/s b18.2.15
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THRDFASTFLHex Head Cap ScrewGrade 2Plain1 1/8-7 x 8gr2 hex c/s b18.2.15
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