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3 1/2 inch length 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.

197,430 Hex Head Cap Screw, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
CenturyFLHex Head Cap ScrewSteelPlain1/2-13 x 3 1/21/2-13 x 3 1/2 hex hd cap screw (GRADE 5 ZINC PLT) (GRADE 5 ZINC PLT) () ()100
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CenturyFLHex Head Cap ScrewSteelPlain3/4-10 x 3 1/23/4-10 x 3 1/2 hex head cap screw (A325 STEEL GALVANIZED) (A325 STEEL GALVANIZED) 50
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CenturyFLHex Head Cap ScrewGrade 5Cadmium/Yellow3/8-16 x 3 1/2ms90725-72 q4b 3000
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CenturyFLHex Head Cap ScrewSilicon BronzePlain1/2-13 x 3 1/21/2-13 x 3 1/2 hex hd cap screw bronze4
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 1/25/8-11x3 1/2 hex c/s 18-8 ss40
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16 x 3 1/23/4-16x3 1/2 hex c/s 18-8 ss10
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 3 1/27/8-9x3 1/2 hex c/s 18-8 ss3
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 3 1/21-8x3 1/2 hex c/s 18-8 ss6
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WeaverWAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 3 1/27/16-14x3 1/2 hex c/s 18-8 ss88
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear3/4-16 x 3 1/23/4-16x3 1/2 gr5 hex c/s zinc210
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear7/8-14 x 3 1/27/8-14x3 1/2 gr5 hex c/s zinc37
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear1 1/8-7 x 3 1/21 1/8-7x3 1/2 gr5 hex c/s zinc22
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WeaverWAHex Head Cap ScrewGrade 5Zinc/Clear1 1/4-7 x 3 1/21 1/4-7x3 1/2 gr5 hex c/s zinc20
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 3 1/21/4-20x3 1/2 gr8 hex c/s yellow zinc1446
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WeaverWAHex Head Cap ScrewGrade 9Zinc/Yellow1-8 x 3 1/21-8x3 1/2 gr9 hex c/s yellow zinc59
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WeaverWAHex Head Cap ScrewGrade 9Zinc/Yellow7/8-9 x 3 1/27/8-9x3 1/2 gr9 hex c/s yellow zinc69
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 3 1/25/16-24x3 1/2 gr8 hex c/s yellow zinc400
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-18 x 3 1/29/16-18x3 1/2 gr8 hex c/s yellow zinc682
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WeaverWAHex Head Cap ScrewGrade 8Plain1 1/2-12 x 3 1/21 1/2-12x3 1/2 gr8 hex c/s plain9
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WeaverWAHex Head Cap ScrewGrade 9Zinc/Yellow3/4-10 x 3 1/23/4-10x3 1/2 gr9 hex c/s yellow zinc110
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TownCountryARHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 3 1/2hex c/s13
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TownCountryARHex Head Cap ScrewGrade 5Zinc/Clear9/16-12 x 3 1/2hex c/s gr. 525
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ACCURATEILHex Head Cap ScrewGrade 8Zinc/Yellow1-8 x 3 1/2coarse hex c/sr gr835
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear7/16-20 x 3 1/2fine hex c/sr gr559
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3 1/25/16-18x3 1/2 coar hex cap screw gr5 zinc320
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ACCURATEILHex Head Cap ScrewGrade 5Zinc/Clear3/8-24 x 3 1/23/8-24x3 1/2 fine hex cap scr gr5 zinc994
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WeaverWAHex Head Cap ScrewGrade 8Plain1 1/2-6 x 3 1/21 1/2-6x3 1/2 gr8 hex c/s plain6
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 1/21/2-13 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw made in usa40
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 1/21/2-13 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw made in usa30
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 3 1/23/4-10 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw made in usa45
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 3 1/21/4-20 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw made in usa350
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 3 1/23/8-24 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw made in usa34
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow7/16-20 x 3 1/27/16-20 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw made in usa25
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OneMonroeNCHex Head Cap ScrewGrade 5Plain9/16-12 x 3 1/29/16-12 x 3-1/2 plain finish sae j429 grade 5 hex cap screw20
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OneMonroeNCHex Head Cap ScrewGrade 2Plain1/4-7 x 3 1/21 1/4-7 x 3 1/2 hex cap screw grade 234
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OneMonroeNCHex Head Cap ScrewGrade 8Plain1/4-7 x 3 1/21 1/4-7 x 3 1/2 sae j429 gr 8 hx c/s8
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OneMonroeNCHex Head Cap ScrewGrade 8Plain3/8-16 x 3 1/23/8-16 x 3-1/2 plain finish sae j429 grade 8 hex cap screw50
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OneMonroeNCHex Head Cap ScrewGrade 8Plain1 1/8-7 x 3 1/21-1/8-7 x 3-1/2 plain finish sae j429 grade 8 hex cap screw6
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OneMonroeNCHex Head Cap ScrewGrade 5Plain3/4-16 x 3 1/23/4-16 x 3-1/2 plain finish sae j429 grade 5 hex cap screw54
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OneMonroeNCHex Head Cap ScrewGrade 5Zinc/Clear1/4-28 x 3 1/21/4-28 x 3-1/2 zinc finish sae j429 grade 5 hex cap screw265
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OneMonroeNCHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 3 1/25/16-24 x 3-1/2 zinc finish sae j429 grade 5 hex cap screw350
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OneMonroeNCHex Head Cap ScrewGrade 5Zinc/Clear3/4-16 x 3 1/23/4-16 x 3-1/2 zinc finish sae j429 grade 5 hex cap screw15
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow1-14 x 3 1/21-14 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw6
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OneMonroeNCHex Head Cap ScrewGrade 8Plain5/8-18 x 3 1/25/8-18 x 3-1/2 plain finish sae j429 grade 8 hex cap screw102
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow1/4-28 x 3 1/21/4-28 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw75
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OneMonroeNCHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 3 1/25/16-24 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw8
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OneMonroeNCHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 3 1/21/4-28 x 3-1/2 hex cap screw stainless14
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AmericanNYHex Head Cap Screw316, 317, A4 StainlessPlain5/8-11 x 3 1/25/8-11 x 3-1/2 hex cap screw f593g stainless steel 316300
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AmericanNYHex Head Cap ScrewSteelCadmium5/16-18 x 3 1/2hex cp cad pl1000
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AmericanNYHex Head Cap ScrewSteelZinc/Yellow3/8-16 x 3 1/2hex c/s28
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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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AmericanNYHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3 1/2hex c/s pl200
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AmericanNYHex Head Cap ScrewSteelPlain3/8-16 x 3 1/2fillister c/s100
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AmericanNYHex Head Cap ScrewSteelPlain7/16-20 x 3 1/2hex cap7100
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AmericanNYHex Head Cap ScrewSteelZinc/Yellow7/16-20 x 3 1/2hex cap zy3698
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AmericanNYHex Head Cap ScrewGrade 5Zinc/Clear7/16-20 x 3 1/2hex cap zp300
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AmericanNYHex Head Cap ScrewSteelPlain1/2-13 x 3 1/2fillister c/s25
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AmericanNYHex Head Cap ScrewSteelZinc/Clear1/2-20 x 3 1/2hex cap zp600
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AmericanNYHex Head Cap ScrewSteelPlain9/16-12 x 3 1/2hex cap560
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AmericanNYHex Head Cap ScrewGrade 5Plain5/8-11 x 3 1/2hex cap30
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AmericanNYHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 3 1/2hex cap zy159
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AmericanNYHex Head Cap ScrewSteelPlain1-8 x 3 1/2hex c/s200
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AmericanNYHex Head Cap ScrewSteelPlain1 1/8-7 x 3 1/2hex c/s252
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AmericanNYHex Head Cap ScrewSteelZinc/Clear3/8-16 x 3 1/2hex c/s pl334
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AmericanNYHex Head Cap ScrewSteelZinc/Clear7/16-14 x 3 1/2hex cap pl200
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AmericanNYHex Head Cap ScrewGrade 5Plain9/16-12 x 3 1/2hex cap black15
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Future FastenerTXHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3 1/ 25/16-18x3 1/2 grade 5 c/s plt450
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RCFastAZHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3 1/2hex cap gr5 cr+3168
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RCFastAZHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/2hex cap 18-8 304 (pt)100
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AbabaCAHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 3 1/21-8 x 3 1/2 h/c gr 5 znc |35
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WeaverWAHex Head Cap ScrewGrade 5Chrome Plated1/2-13 x 3 1/21/2-13x3 1/2 gr5 hex c/s chrome15
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SIIINHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 3 1/25/8-11 x 3-1/2 grd5 hex cap screw/zinc b18.2.150
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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/Clear1/4-20 x 3 1/21/4-20x3 1/2 (pt) grade 2 hex cap screw zinc cr+3 b18.2.1100
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/16-24 x 3 1/25/16-24 x 3-1/2 grd8 yellow zinc hex cap screw) b18.2.15
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 3 1/23/8-24 x 3-1/2 (pt) hex cap screws grade 8 fine zinc-yellow bake b18.2.125
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SIIINHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 3 1/23/4-10 x 3 1/2 hcs 18-8 stainless b18.2.140
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SIIINHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 3 1/25/8-18 x 3-1/2 grd8 yellow zinc hex cap screw) b18.2.15
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QFCTXHex Head Cap ScrewGrade 5Plain3/8-16 x 3 1/23/8-16x3 1/2 hex c/s gr5 plain b18.2.1165
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QFCTXHex Head Cap ScrewGrade 5Plain3/8-16 x 3 1/23/8-16x3 1/2 hex c/s gr5 plain b18.2.115
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QFCTXHex Head Cap ScrewGrade 5Plain9/16-12 x 3 1/29/16-12x3 1/2 hex c/s gr5 plain b18.2.180
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QFCTXHex Head Cap ScrewGrade 2Plain3/4-10 x 3 1/23/4-10x3 1/2 hex c/s gr2 plain b18.2.116
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QFCTXHex Head Cap ScrewGrade 5Plain3/4-10 x 3 1/23/4-10x3 1/2 hex c/s gr5 plain b18.2.130
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QFCTXHex Head Cap ScrewGrade 8Plain3/4-10 x 3 1/23/4-10x3 1/2 hex c/s gr8 plain b18.2.13
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QFCTXHex Head Cap ScrewGrade 5Plain7/8-9 x 3 1/27/8-9x3 1/2 hex c/s gr5 plain b18.2.135
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QFCTXHex Head Cap ScrewGrade 8Plain1 1/4-7 x 3 1/21 1/4-7x3 1/2 hex c/s gr8 plain b18.2.15
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QFCTXHex Head Cap ScrewGrade 5Plain1/4-20 x 3 1/21/4-20x3 1/2 hex cap screw grade 5 b18.2.1533
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QFCTXHex Head Cap ScrewGrade 8Plain5/16-18 x 3 1/25/16-18x3 1/2 hhcs grade 8 pl w/nylon patch b18.2.1225
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow7/16-14 x 3 1/27/16-14x3 1/2 hhcs grade 8 zinc yellow b18.2.1150
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QFCTXHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 3 1/25/8-11x3-1/2 hex cap grade 8 zinc yellow b18.2.1350
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QFCTXHex Head Cap ScrewGrade 5Plain3/8 x 3 1/23/8x3 1/2nc gr5 hex c/s dom. b18.2.155
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QFCTXHex Head Cap ScrewGrade 5Plain3/4-10 x 3 1/23/4-10x3 1/2 hex c/s gr5 plain domestic b18.2.136
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QFCTXHex Head Cap ScrewGrade 5Galvanized3/8-16 x 3 1/23/8-16x3 1/2 hex c/s gr5 hdg domestic b18.2.166
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QFCTXHex Head Cap ScrewGrade 5Galvanized3/8-16 x 3 1/23/8-16x3 1/2 hex c/s gr5 hdg domestic b18.2.178
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QFCTXHex Head Cap ScrewGrade 5Galvanized1/2-13 x 3 1/21/2-13x3 1/2 hex c/s gr5 hdg 100% domestic b18.2.148
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QFCTXHex Head Cap ScrewGrade 5Galvanized1/2-13 x 3 1/21/2-13x3 1/2 hex c/s gr5 hdg 100% domestic b18.2.160
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QFCTXHex Head Cap ScrewGrade 5Galvanized1/2-13 x 3 1/21/2-13x3 1/2 hex c/s gr5 hdg 100% domestic b18.2.150
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QFCTXHex Head Cap ScrewGrade 5Galvanized9/16 x 3 1/29/16x3 1/2 hex c/s gr5 hdg domestic b18.2.115
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B & K FASTPAHex Head Cap ScrewBrassPlain1-8 x 3 1/21-8 x 3 1/2 hex cap screws brass b18.2.133
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B & K FASTPAHex Head Cap ScrewSteelGalvanized5/16-18 x 3 1/25/16-18 x 3 1/2 hex cap screws hd galv b18.2.142
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B & K FASTPAHex Head Cap ScrewSteelGalvanized1/2-13 x 3 1/21/2-13 x 3 1/2 hex cap screws hd galv b18.2.1135
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B & K FASTPAHex Head Cap ScrewSteelGalvanized1-8 x 3 1/21-8 x 3 1/2 hex cap screws hd galv b18.2.1121
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B & K FASTPAHex Head Cap ScrewSteelGalvanized1 1/2-6 x 3 1/21 1/2-6 x 3 1/2 hex cap screws hd galv b18.2.11
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 3 1/21/4-20 x 3 1/2 hex cap screws gr 8 z yellow b18.2.11790
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B & K FASTPAHex Head Cap ScrewGrade 2Plain3/8-16 x 3 1/23/8-16 x 3 1/2 hex cap screws gr 2 plain b18.2.1609
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 3 1/23/8-16 x 3 1/2 hex cap screws gr 2 zinc b18.2.1467
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3 1/23/8-16 x 3 1/2 hex cap screws gr 5 zinc b18.2.187
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 3 1/23/8-16 x 3 1/2 hex cap screws gr 8 z yellow b18.2.1341
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B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 3 1/21/2-13 x 3 1/2 hex cap screws gr 5 zinc b18.2.1200
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 3 1/21/2-13 x 3 1/2 hex cap screws gr 8 z yellow b18.2.1186
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B & K FASTPAHex Head Cap ScrewGrade 8Plain1/2-20 x 3 1/21/2-20 x 3 1/2 hex cap screws gr 8 plain b18.2.1141
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Clear1/2-20 x 3 1/21/2-20 x 3 1/2 hex cap screws gr 8 zinc b18.2.1126
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow1/2-20 x 3 1/21/2-20 x 3 1/2 hex cap screws gr 8 z yellow b18.2.1594
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B & K FASTPAHex Head Cap ScrewGrade 8Plain9/16-12 x 3 1/29/16-12 x 3 1/2 hex cap screws gr 8 plain b18.2.184
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-12 x 3 1/29/16-12 x 3 1/2 hex cap screws gr 8 z yellow b18.2.1227
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B & K FASTPAHex Head Cap ScrewGrade 8Zinc/Yellow9/16-18 x 3 1/29/16-18 x 3 1/2 hex cap screws gr 8 z yellow b18.2.1333
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B & K FASTPAHex Head Cap ScrewGrade 2Plain5/8-11 x 3 1/25/8-11 x 3 1/2 hex cap screws gr 2 plain b18.2.1247
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B & K FASTPAHex Head Cap ScrewGrade 2Zinc/Clear5/8-11 x 3 1/25/8-11 x 3 1/2 hex cap screws gr 2 zinc b18.2.1426
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TSFTXHex Head Cap ScrewGrade 5Zinc/Clear7/16-14 x 3 1/2hex hd cap screw gr5 zinc 7/16-14 x 3-1/2338
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