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Hex Head Cap Screw (ANSI ASME 18.2.3.1m)

FastenerHex 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.

0 Hex Head Cap Screw (ansi b18.2.3.1m), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
CenturyFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3 x 20m 3.0 x 20.0mm 18-8 hex cap screws full thread din 933233
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CenturyFLHex Head Cap ScrewGrade 5Zinc/Clear5/8-11 x 2 3/45/8-11 x 2 3/4 hex hd cap screw grade 5 zinc plt50
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CenturyFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 5/8ms35308-305 screw776
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CenturyFLHex Head Cap Screw316, 317, A4 StainlessPlainM16 x 30m16x30 hhcs a4-80 full thread a4-80 din 93354
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EndriesWIHex Head Cap ScrewGrade 5Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)5/16-18 x 15/16-18x1 grade 5 hex head cap screw geomet 720+l silver 1 000 hours to red rust600
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EndriesWIHex Head Cap ScrewGrade 9Zinc/Yellow7/8-14 x 117/8-14x11 l9 hex head cap screw trivalent yellow zinc (l9 trademark only)6
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 21/2-13x2 grade 8 hex head cap screw yellow zinc552
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EndriesWIHex Head Cap ScrewGrade 8Plain7/16-20 x 37/16-20x3 grade 8 hex head cap screw plain20
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EndriesWIHex Head Cap ScrewGrade 8Plain7/16-14 x 27/16-14x2 grade 8 hex head cap screw plain50
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EndriesWIHex Head Cap ScrewGrade 5Cadmium/Yellow3/8-24 x 1ms90726-60 3/8-24x1 grade 5 hex head cap screw cadmium ii634
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EndriesWIHex Head Cap ScrewGrade 8Plain3/4-10 x 5 1/23/4-10x5-1/2 grade 8 hex head cap screw plain85
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EndriesWIHex Head Cap ScrewGrade 2Zinc/Clear3/4-10 x 4 1/23/4-10x4-1/2 grade 2 hex head cap screw zinc20
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow5/8-11 x 1 1/25/8-11x1-1/2 grade 8 hex head cap screw yellow zinc258
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/45/16-18x2-1/4 18-8 s/s steel hex head cap screw moly lube390
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EndriesWIHex Head Cap ScrewClass 8.8PlainM20 x 80M20x80 class 8.8 / iso4017 full thread hex head cap screw plain din 93315
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EndriesWIHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 5 1/23/8-16x5-1/2 grade 2 hex head cap screw zinc7923
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 1/81/2-13x1-1/8 grade 8 hex head cap screw yellow zinc usa or canada only3200
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16x1-1/4 18-8 s/s steel hex head cap screw .063 hole for wire lock7
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EndriesWIHex Head Cap ScrewGrade 9Zinc/Yellow5/8-18 x 5 1/25/8-18x5 1/2 hex cap screw l9 zn/ye75
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 15/16-24x1 grade 5 hex head cap screw trivalent clear zinc source controlled122
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EndriesWIHex Head Cap ScrewGrade 5Plain9/16-12 x 39/16-12x3 grade 5 hex head cap screw plain817
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1/4-20 x 8 1/21/4-20x8-1/2 grade 5 hex head cap screw zinc10
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow1/4-20 x 1 3/81/4-20x1-3/8 grade 8 hex head cap screw yellow zinc100
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EndriesWIHex Head Cap Screw316, 317, A4 StainlessPlain3/8-16 x 4 1/43/8-16x4-1/4 316 stainless steel hex head cap screw205
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Cal FastenrsCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1/25/8-11 x 1/2 hex cap screw stainless steel plain hex cap s.s. | hex cap s.s. | hex cap s.s.58
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Cal FastenrsCAHex Head Cap ScrewGrade 5Plain1/2-13 x 2 1/21/2-13 x 2-1/2 hex cap screw gr 5 steel plain hex cap grd51,125
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Cal FastenrsCAHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 51/2-13 x 5 hex cap screw gr 5 steel yellow dc-zinc hex cap gr 5175
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 2 3/45/8-11x2-3/4 18-8 s/s steel hex head cap screw200
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EndriesWIHex Head Cap ScrewSteelPlain03036251100 5/8-11x1 nylon hex head cap screw natural4000
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EndriesWIHex Head Cap ScrewClass 8.8PlainM24 x 140M24x140 class 8.8 / iso4017 full thread hex head cap screw plain din 93350
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 5 1/21/2-13x5-1/2 grade 5 hex head cap screw zinc source controlled2850
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Cal FastenrsCAHex Head Cap ScrewSilicon BronzePlain1/4-20 x 5/81/4-20 x 5/8 hex cap screw silican bronze plain hcs | hcs | hcs1,000
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1/4-28 x 1 1/41/4-28x1-1/4 grade 5 hex head cap screw zinc860
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 7/83/8-24x7/8 18-8 s/s steel hex head cap screw518
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM10 x 100M10x100 class 8.8 hex head cap screw zinc din 9332098
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 47/8-9x4 grade 8 hex head cap screw yellow zinc19
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EndriesWIHex Head Cap ScrewClass 10.9Zinc/ClearM12 x 25M12x25 class 10.9 hex head cap screw zinc din 9336600
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 15/16-18x1 grade 5 hex head cap screw trivalent clear zinc certified material test report4000
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8 x 45M8x45 a2 18-8 304 / iso4017 full thread hex head cap screw din 93357
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow1/2-13 x 1 3/41/2-13x1-3/4 grade 8 hex head cap screw yellow zinc1650
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Clear1/2-13 x 81/2-13x8 grade 8 hex head cap screw zinc500
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 23/4-10x2 hex cap screw grade 8 zn/ye71
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/BlackM8 x 16M8x16 class 8.8 / iso4017 full thread hex head cap screw chrome free zinc flake black 720 hours to red rust din 933100
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EndriesWIHex Head Cap ScrewGrade 8Plain3/8-24 x 23/8-24x2 grade 8 center bolt plain7665
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 21/2-13x2 hex c/s gr. 5 zy150
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow5/8-18 x 55/8-18x5 gr8 hex hd c/s zy2
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EndriesWIHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 2 3/45/16-18x2-3/4 grade 2 hex head cap screw zinc550
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EndriesWIHex Head Cap ScrewClass 8.8PlainM12 x 40M12x40 class 8.8 hex head cap screw plain din 9333
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EndriesWIHex Head Cap ScrewGrade 8Plain1/2-13 x 4 1/21/2-13x4-1/2 grade 8 hex head cap screw plain125
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EndriesWIHex Head Cap ScrewGrade 5Plain7/8-9 x 2 3/47/8-9x2-3/4 grade 5 hex head cap screw plain15
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 7/83/8-16x7/8 18-8 s/s steel hex head cap screw wax600
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 ss hcs1789
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/81/4-20 x 3/8 ss hcs260
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/81/4-20 x 5/8 ss hcs2010
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/41/4-20 x 2 1/4 ss hcs315
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 ss hcs9339
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20 x 3 ss hcs364
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 21/4-20 x 2 ss hcs585
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 3/41/4-20 x 1 3/4 ss hcs566
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 ss hcs1587
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 2 1/21/4-20 x 2 1/2 ss hcs316
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20 x 1 1/2 ss hcs3268
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20 x 3/4 ss hcs7236
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 ss hcs5556
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18- 8,304,310 etc.)Plain5/16-18 x 5/85/16-18 x 5/8 ss hcs903
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 4 1/21/4-20 x 4 1/2 ss hcs7
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18 x 3/4 ss hcs1659
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18 x 1/2 ss hcs290
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5 1/21/4-20 x 5 1/2 ss hcs89
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/21/4-20 x 3 1/2 ss hcs80
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NutsBoltsNEHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1 1/4 ss hcs745
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Yellow1/2-13 x 2 1/41/2-13x 2 1/4 gr5 hex hd c/s z/y5877
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 21/2-20x2 grade 5 hex head cap screw zinc25
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EndriesWIHex Head Cap ScrewGrade 8Plain1 1/4-12 x 61-1/4-12x6 grade 8 hex head cap screw plain100
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16x1 18-8 s/s steel hex head cap screw600
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Yellow3/8-16 x 13/8-16x1 grade 8 hex hd c/s zy7060
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EndriesWIHex Head Cap ScrewGrade 5Plain1-14 x 41-14x4 grade 5 hex head cap screw plain280
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EndriesWIHex Head Cap ScrewGrade 8Plain1 1/8-7 x 3 1/21-1/8-7x3-1/2 grade 8 hex head cap screw plain9
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EndriesWIHex Head Cap ScrewSteelPlain1-1/8-7x3 a479 s31803 hex head cap screw no china1
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM36 x 130M36x130 class 8.8 / iso4014 hex head cap screw trivalent clear zinc din 9318
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EndriesWIHex Head Cap ScrewGrade 8Plain5/16 x 1 1/25/16x1 1/2 (1/2 dx3/8 h) gr8 center bolt pla in4267
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM4 x 10M4x10 class 8.8 / iso4017 full thread hex head cap screw trivalent clear zinc din 93346
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EndriesWIHex Head Cap Screw316, 317, A4 StainlessBlack Oxide3/8-16 x 3 1/23/8-16x3-1/2 316 stainless steel hex head cap screw chemical black oxide with wax4146
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EndriesWIHex Head Cap ScrewGrade 8Plain5/8-18 x 3 1/45/8-18x3-1/4 grade 8 hex head cap screw plain200
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EndriesWIHex Head Cap ScrewSteelPlain5/8-11 x 1 3/45/8-11x1-3/4 carp 20 hex head cap screw15
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EndriesWIHex Head Cap ScrewGrade B8MPlain1/2-13 x 21/2-13x2 a193 grade b8m cls1 finished head hex head cap screw57
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM8 x 30M8x30 class 8.8 / iso4017 full thread hex head cap screw trivalent clear zinc din 933212
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EndriesWIHex Head Cap ScrewGrade 5Black Oxide1/2-13 x 1 1/41/2-13x1-1/4 grade 5 hex head cap screw chemical black oxide4140
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EndriesWIHex Head Cap ScrewGrade 8Plain7/16-14 x 17/16-14x1 grade 8 hex head cap screw plain550
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EndriesWIHex Head Cap ScrewGrade 5Plain1/2-13 x 3/41/2-13x3/4 grade 5 hex head cap screw plain400
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EndriesWIHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16x3/4 18-8 s/s steel hex head cap screw2000
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