1/2-20 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.

178,031 Hex Head Cap Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Spring BoTXHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-20 x 41/2 (20) x 4 hex cap screw astm a564 ty. 630 17-4ph cond. h1025 b18.2.1 b18.2.1 usainquire
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Spring BoTXHex Head Cap Screw400 Stainless (405, 410,416,420,430 etc.)Plain1/2-20 x 1 3/41/2(20-nf-2a) x 1-3/4 hex cap screw stainless 410 b18.2.1 b18.2.1 usainquire
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Spring BoTXHex Head Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-20 x 41/2 (20) x 4 hex cap screw astm a564 ty. 630 17-4ph cond. h1025 b18.2.1 usainquire
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Spring BoTXHex Head Cap Screw400 Stainless (405, 410,416,420,430 etc.)Plain1/2-20 x 1 3/41/2(20-nf-2a) x 1-3/4 hex cap screw stainless 410 b18.2.1 usainquire
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Buy Hex Cap Screws from one of our FCH Network Partners
Zoro Tools Inc.Hex Head Cap ScrewGrade 8Plain1/2-201/2-20 grade 8 hex head cap screw steel pk 25
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Zoro Tools Inc.Hex Head Cap ScrewGrade 8Plain1/2-201/2-20 grade 8 hex head cap screw steel pk 25
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Zoro Tools Inc.Hex Head Cap ScrewGrade 8Plain1/2-201/2-20 grade 8 hex head cap screw steel pk 25
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Zoro Tools Inc.Hex Head Cap ScrewGrade 8Plain1/2-201/2-20 grade 8 hex head cap screw steel pk 25
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Buy Hex Cap Screws from one of our FCH Network Members
HayesCAHex Head Cap Screw316, 317, A4 StainlessPlain1/2-20 x 3/41/2-20 x 3/4 hex c/s 316ss15
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HayesCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 4hex c/s 18-8ss1
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HayesCAHex Head Cap ScrewGrade 8Plain1/2-20 x 8 1/21/2-20 x 8 1/2 hex c/s gr 8 zii3
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 1/41/2 -20 x 1-1/4 grade 5 zinc plated hex cap screw)173
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 1/21/2-20 x 3-1/2 grd8 sae yellow zinc hex cap screw usa)94
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 3/41/2-20 x 3/4 grd5 zinc hex cap screw/ usa)451
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 11/2-20 x 1 grd8 yellow zinc hex cap screw) b18.2.1358
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 1/21/2-20 x 1-1/2 grd8 yellow zinc hex cap screw) b18.2.1221
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2 1/21/2-20 x 2-1/2 grd8 yellow zinc hex cap screw) b18.2.115
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 31/2-20 x 3 grd8 yellow zinc hex cap screw) b18.2.140
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 1/21/2-20x3 1/2 (pt) hex cap screws grade 8 fine zinc-yellow bake b18.2.115
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 41/2-20 x 4 grd8 yellow zinc hex cap screw) b18.2.15
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 4 1/21/2-20 x 4 1/2 (pt) hex cap screws grade 8 fine zinc-yellow bake b18.2.115
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 51/2-20 x 5 grd8 yellow zinc hex cap screw) b18.2.115
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 5 1/21/2-20 x 5 1/2 (pt) hex cap screws grade 8 fine zinc-yellow bake b18.2.115
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 61/2-20 x 6 grd8 yellow zinc hex cap screw) b18.2.115
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2 1/41/2-20 x 2-1/4 grade 8 yellow zinc hex head cap screw b18.2.1277
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 2 1/2hex cap 18-8 30422
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AmericanNYHex Head Cap ScrewSteelPlain1/2-20 x 5fillister c/s500
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AmericanNYHex Head Cap ScrewGrade 5Plain1/2-20 x 1hex cap black250
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AmericanNYHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2 1/4hex cap119
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AmericanNYHex Head Cap ScrewGrade 5Plain1/2-20 x 2 3/4hex cap black2150
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 1 3/4hex cap 18-8 3041000
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AmericanNYHex Head Cap ScrewSteelZinc/Clear1/2-20 x 3/4 51/2-20x3/4 hex cap 5 pl300
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AmericanNYHex Head Cap ScrewSteelZinc/Clear1/2-20 x 1 1/4 51/2-20x1-1/4 hex cap 5 pl157
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AmericanNYHex Head Cap ScrewSteelCadmium/Yellow1/2-20 x 1 3/4 51/2-20x1-3/4 hex cap 5 cad900
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AmericanNYHex Head Cap ScrewSteelZinc/Clear1/2-20 x 2 1/4 51/2-20x2-1/4 hex cap 5 pl100
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AmericanNYHex Head Cap ScrewSteelZinc/Clear1/2-20 x 2 3/4hex cap pl900
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AmericanNYHex Head Cap ScrewSteelZinc/Clear1/2-20 x 3 51/2-20x3 hex cap 5 pl50
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AmericanNYHex Head Cap ScrewSteelZinc/Clear1/2-20 x 3 1/4 51/2-20x3-1/4 hex cap 5 pl50
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AmericanNYHex Head Cap ScrewSteelZinc/Yellow1/2-20 x 3 1/4 81/2-20x3-1/4 hex cap 8100
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 2 1/2hex cap 18-8 304250
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AmericanNYHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 2hex cap 18-8965
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ACCURATEILHex Head Cap ScrewGrade 5Plain1/2-20 x 5 1/4fine hex c/s gr5 usa34
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 15hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 3/4hex cap gr5 (ft)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 7/8hex cap gr5 (ft)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 1hex cap gr5 (ft)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 1 1/4hex cap gr5 (ft)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 1 3/8hex cap gr5 (ft)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 1 1/2hex cap gr5 (ft)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 1 3/4hex cap gr5 (ft)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 2hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 2 1/4hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 2 1/2hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 3hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 3 1/4hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 4hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 4 1/2hex cap gr5 (pt)inquire
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RCFastAZHex Head Cap ScrewGrade 5Plain1/2-20 x 5hex cap gr5 (pt)inquire
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3/41/2-20 x 3/4 hex cap screws gr 8 z yellow b18.2.11280
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1/2-20 x 7/81/2-20 x 7/8 hex cap screws gr 5 plain b18.2.11708
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 7/81/2-20 x 7/8 hex cap screws gr 5 zinc b18.2.192
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 7/81/2-20 x 7/8 hex cap screws gr 8 z yellow b18.2.1126
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B & K FASTPAHex Head Cap ScrewGrade 2Plain1/2-20 x 11/2-20 x 1 hex cap screws gr 2 plain b18.2.180
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B & K FASTPAHex Head Cap ScrewGrade 5Plain1/2-20 x 11/2-20 x 1 hex cap screws gr 5 plain b18.2.11912
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 11/2-20 x 1 hex cap screws gr 5 zinc b18.2.11782
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-20 x 11/2-20 x 1 hex cap screws gr 5 z yellow b18.2.1205
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-20 x 11/2-20 x 1 hex cap screws gr 8 plain b18.2.11392
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Clear1/2-20 x 11/2-20 x 1 hex cap screws gr 8 zinc b18.2.1233
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 11/2-20 x 1 hex cap screws gr 8 z yellow b18.2.1976
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B & K FASTPAHex Head Cap ScrewGrade 9Zinc/Yellow1/2-20 x 11/2-20 x 1 hex cap screws gr 9 (mc12) z yellow b18.2.1171
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 1/81/2-20 x 1 1/8 hex cap screws gr 5 zinc b18.2.142
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 1/81/2-20 x 1 1/8 hex cap screws gr 8 z yellow b18.2.1649
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B & K FASTPAHex Head Cap ScrewGrade 2Plain1/2-20 x 1 1/41/2-20 x 1 1/4 hex cap screws gr 2 plain b18.2.1239
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 1/41/2-20 x 1 1/4 hex cap screws gr 5 zinc b18.2.1792
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 3/41/2-20 x 1 3/4 h/c gr 5 znc b18.2.150
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow1/2-20 x 31/2-20 x 3 h/c gr.9 yel znc b18.2.145
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AbabaCAHex Head Cap ScrewGrade 9Zinc/Yellow1/2-20 x 3 1/41/2-20 x 3 1/4 h/c gr.9 yel znc b18.2.142
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 41/2-20 x 4 h/c s/s b18.2.15
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AbabaCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 41/2-20 x 4 h/c s/s b18.2.16
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AbabaCAHex Head Cap ScrewGrade 8Plain1/2-20 x 91/2-20 x 9 h/c dom gr 8 pln b18.2.11
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 1 1/2nf hex c/s4.9
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JacksonMSHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 3nf hex c/s5
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JacksonMSHex Head Cap ScrewGrade 8Plain1/2-20 x 8 1/2nf hex c/s finish69
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1/2nf hex c/s30
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3/4nf hex c/s1488
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1nf hex c/s1113
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 1/4nf hex c/s622
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 1/2nf hex c/s1805.8
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 1 3/4nf hex c/s762.4
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2nf hex c/s1565.6
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2 1/4nf hex c/s745
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2 1/2nf hex c/s856
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 2 3/4nf hex c/s598
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3nf hex c/s324
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 1/4nf hex c/s360
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JacksonMSHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 1/2nf hex c/s436
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