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Hex Head Cap Screw (ASME 18.2.1)

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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
CenturyFLHex Head Cap ScrewSteelGalvanized5/8-11 x 3 3/45/8-11 x 3 3/4 hex hd cap screw steel oversized after hdg75
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CenturyFLHex Head Cap ScrewClass 8.8Plain / Furnace BlackM6 x 16m6 x 16mm grd 8.8 hx cap screw full thread din 93315075
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CenturyFLHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace BlackM14 x 60m14 x 60 hex head cap screw a2 full thread din 93355
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CenturyFLHex Head Cap ScrewClass 8.8Zinc/YellowM16 x 70m16 x 70 hex c/s 8.8 stl zinc yellow din 93325
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TownCountryARHex Head Cap ScrewGrade 8Zinc/Yellow3/8-24 x 1 3/43/8-24 x 1 3/4 hex cap screw gr.8 yellow zinc450
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RePneu ToMIHex Head Cap ScrewClass 10.9Zinc/YellowM6-1.00 x 25m6-1.00x25 mm (ft) / iso4017 metric 10.9 hex cap screw coarse zinc yellow cr+6 din 9332000
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black5/8-11 x 1 1/25/8-11x1 1/2 gr8 hex c/s plain895
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VIKING BOORHex Head Cap ScrewGrade 5Zinc/Yellow3/4-10 x 5229
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CenturyFLHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 31/2-13 x 3 hex hd cap screw grade 5 zinc1200
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EndriesWIHex Head Cap ScrewGrade 8Plain / Furnace Black1/4-20 x 2 1/21/4-20x2-1/2 grade 8 hex head cap screw plain675
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EndriesWIHex Head Cap ScrewClass 8.8Plain / Furnace BlackM6 x 12m6x12 class 8.8 / iso4017 full thread hex head cap screw plain din 933200
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM12 x 50m12x50 class 8.8 hex head cap screw zinc with .0625 hole head din 9333
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EndriesWIHex Head Cap ScrewGrade 9Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/4-16 x 2 3/43/4-16x2-3/4 l9 hex head cap screw (l9 trademark only) hex chromium free zinc flake silver 600 hours to red rust1040
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM8 x 335m8x335 class 8.8 / iso4014 hex head cap screw trivalent clear zinc with 41mm thread din 93111394
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM20 x 180m20x180 class 8.8 / iso4017 full thread hex head cap screw trivalent clear zinc din 93325
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1-8 x 71-8x7 grade 5 hex head cap screw tri clr zinc 120 wh/144 red rust100
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EndriesWIHex Head Cap ScrewGrade B8MPlain / Furnace Black5/8-11 x 9 1/25/8-11 x 9-1/2 hex fl so c cap ansi b18.3 min thread lg 3-1/2 inch 316 ss astm a193-b8m sharp edge required. reference astma193b8mcl1-92109
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EndriesWIHex Head Cap ScrewGrade 8Zinc/Clear5/8-11 x 45/8-11x4 grade 8 hex head cap screw tri clr zinc 120 wh/144 red rust10
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1 1/4-7 x 3 1/21-1/4-7x3-1/2 grade 5 hex head cap screw tri clr zinc 120 wh/144 red rust44
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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 trivalent yellow zinc domestic225
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/GreenM6 x 20m6x20 class 8.8 / iso4017 full thread hex head cap screw trivalent green zinc 96 hour to white rust din 9331300
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EndriesWIHex Head Cap ScrewClass 10.9Plain / Furnace BlackM12 x 40m12x40 class 10.9 hex head cap screw plain iso 40172000
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM14 x 75m14x75 class 8.8 hex head cap screw zinc din 93164
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EndriesWIHex Head Cap ScrewClass 10.9Zinc/YellowM24 x 90m24x90 class 10.9 / iso4017 full thread hex head cap screw yellow zinc din 933100
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EndriesWIHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 1 1/83/8-16x1-1/8 grade 2 hex head cap screw tri clear zinc 96 white rust800
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EndriesWIHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 11/2-13x1 grade 5 hex head cap screw tri clear zinc 96 white rust2600
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EndriesWIHex Head Cap ScrewClass 8.8Zinc/ClearM8 x 12m8x12 class 8.8 / iso4017 full thread hex head cap screw chromium free 96 hr salt spray zinc din 933864
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AspenPAHex Head Cap ScrewAluminumPlain / Furnace Black5/16-18 x 15/16-18 x 1, hex head cap screws bolts, aluminum alloy 6061-t653400
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CenturyFLHex Head Cap Screwms9843-05102
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CenturyFLHex Head Cap ScrewCadmium/Yellow1-8 x 4 1/4ms90725-23925
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CenturyFLHex Head Cap Screwnas673v8216
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CenturyFLHex Head Cap ScrewCadmium/Yellow1/4-20 x 2 1/4ms90725-1550
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CenturyFLHex Head Cap ScrewSteelPlain / Furnace Blacknas1205-5 screw150
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CenturyFLHex Head Cap ScrewGrade 5Cadmium/Yellow1/2-13 x 3 1/2ms90725-121 screw cap hex50
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CenturyFLHex Head Cap ScrewPlain / Furnace Blackms51508a4z elbow pipe to tube200
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CenturyFLHex Head Cap ScrewSteelPlain / Furnace Blackaes01f250c25aw9a91 screw cap hex. head .250-28 x 3.2501500
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IndexFastCAHex Head Cap ScrewGrade 8Plain / Furnace Blackhc031f02008szy 5/16-24x2 hex head cap screw steel/zinc yellow grade 8inquire
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IndexFastCAHex Head Cap ScrewGrade 8Plain / Furnace Black9/16-12 x 3hc056c03008szy hex head cap screw steel/zinc yellow grade 8inquire
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IndexFastCAHex Head Cap ScrewGrade 2Plain / Furnace Blackhc025c03002sz 1/4-20x3 hex head cap screw steel/zinc grade 2inquire
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IndexFastCAHex Head Cap ScrewGrade 8Plain / Furnace Black5/16-24 x 1hc031f01008szy hex head cap screw steel/zinc yellow grade 813
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IndexFastCAHex Head Cap ScrewGrade 5Zinc/Clear1/2-20 x 4hc050f04005sz hex head cap screw steel/zinc grade 5inquire
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IndexFastCAHex Head Cap Screw316, 317, A4 StainlessPlain / Furnace Blackhc031c0125316fss 5/16-18x1 1/4 hex head cap screw 316 stainless steel astm f593 (send to ndinquire
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IndexFastCAHex Head Cap ScrewGrade 5Zinc/Clear1/4-28 x 1 3/4hc025f01755sz hex head cap screw steel/zinc grade 5inquire
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IndexFastCAHex Head Cap ScrewGrade 8Plain / Furnace Blackhc037c01258szy 3/8-16x1 1/4 hex head cap screw steel/zinc yellow grade 8inquire
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IndexFastCAHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace BlackM6 x 16hex head cap screw a2 stainless steel din 933 bn 622-m6x16inquire
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IndexFastCAHex Head Cap ScrewSteelPlain / Furnace Blackhc050c0400sz 1/2-13x4 hex head cap screw steel/zincinquire
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IndexFastCAHex Head Cap ScrewGrade 5Zinc/Clear1/4-28 x 2 3/4hc025f02755sz hex head cap screw steel/zinc grade 5inquire
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IndexFastCAHex Head Cap ScrewGrade 8Plain / Furnace Black1/2-20 x 1 3/4hc050f01758szy hex head cap screw steel/zinc yellow grade 81800
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IndexFastCAHex Head Cap ScrewGrade 8Plain / Furnace Black3/8-16 x 1 1/2hc037c01508szy hex head cap screw steel/zinc yellow grade 8inquire
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IndexFastCAHex Head Cap ScrewSteelZinc/Clear7/16-20 x 3/4hc043f0075sz hex head cap screw steel/zincinquire
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IndexFastCAHex Head Cap ScrewClass 8.8Plain / Furnace BlackM8-1.25 x 20hbm8c2088s hex tap bolt steel/plain class 8.8 din 933inquire
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IndexFastCAHex Head Cap ScrewGrade 5Zinc/Clear3/8-24 x 2 1/4hc037f02255sz hex head cap screw steel/zinc grade 5inquire
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IndexFastCAHex Head Cap ScrewGrade 8Zinc/Yellowhc037c02508szy 3/8-16x2 1/2 c/s/inquire
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IndexFastCAHex Head Cap ScrewClass 8.8Zinc/ClearM6-1.00 x 20hbm6c2088sz m6-1.0 x 20 hex bolt steel/zincinquire
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black1/2-13 x 101/2-13x10 gr8 hex c/s plain24
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow3/4-10 x 153/4-10x15 gr8 hex c/s yellow zinc20
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 3 1/25/16-18x3 1/2 gr8 hex c/s yellow zinc45
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1 1/4-7 x 41 1/4-7x4 gr8 hex c/s yellow zinc2
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear1/4-28 x 11/4-28 x 1 hex cap screw gr 5 zinc372
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S+S FasteOHHex Head Cap ScrewGrade 8Plain / Furnace Black5/16-18 x 15/16-18 x 1 hex cap screw gr 8 plain637
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 1 5/85/16-18 x 1-5/8 hex cap screw gr 5 zinc278
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S+S FasteOHHex Head Cap ScrewGrade 8Zinc/Yellow5/16-18 x 1 3/45/16-18 x 1-3/4 hex cap sc gr 8 zinc & yellow50
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S+S FasteOHHex Head Cap ScrewGrade 2Plain / Furnace Black5/16-18 x 2 1/45/16-18 x 2-1/4 hex cap screw gr 2 plain211
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S+S FasteOHHex Head Cap ScrewGrade 2Plain / Furnace Black5/16-18 x 2 1/25/16-18 x 2-1/2 hex cap screw gr 2 plain1200
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S+S FasteOHHex Head Cap ScrewNylon (Polyamide)Plain / Furnace Black5/16-18 x 2 1/25/16-18 x 2-1/2 hex cap screw nylon60
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S+S FasteOHHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 2 3/45/16-18 x 2-3/4 hex cap screw gr 2 zinc44
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S+S FasteOHHex Head Cap ScrewGrade 2Plain / Furnace Black5/16-18 x 35/16-18 x 3 hex cap screw grade 2 plain75
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S+S FasteOHHex Head Cap ScrewAluminumPlain / Furnace Black5/16-18 x 35/16-18 x 3 hex cap screw alum6
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S+S FasteOHHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 5/85/16-18 x 5/8 hex cap screw gr 2 zinc11
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S+S FasteOHHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 7 1/25/16-18 x 7-1/2 hex cap screw gr 2 zinc59
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear5/16-18 x 3/45/16-18 x 3/4 hex cap screw gr 5 zinc to plated per a2l .0002 thk700
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S+S FasteOHHex Head Cap ScrewGrade 2Zinc/Clear5/16-18 x 7/85/16-18 x 7/8 hex cap screw gr 2 zinc1357
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear1/4-28 x 1 1/21/4-28 x 1-1/2 hex cap screw gr 5 zinc74
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 25/16-24 x 2 hex cap screw gr 5 zinc1900
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear5/16-24 x 2 1/25/16-24 x 2-1/2 hex cap screw gr 5 zinc100
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S+S FasteOHHex Head Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black1/4-28 x 21/4-28 x 2 hex cap screw 18-8 ss11
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S+S FasteOHHex Head Cap ScrewGrade 5Plain / Furnace Black5/16-24 x 35/16-24 x 3 hex cap screw gr 5 plain1125
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S+S FasteOHHex Head Cap ScrewGrade 8Zinc/Clear5/16-24 x 3 1/45/16-24 x 3-1/4 hex cap sc gr 8 zine & yellow38
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1-14 x 81-14x8 gr8 hex c/s yellow zinc3
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear3/8-16 x 3 1/23/8-16 x 3-1/2 hex cap screw gr 5 zinc199
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 1 3/81/2-13 x 1-3/8 hex cap screw gr 5 zinc162
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S+S FasteOHHex Head Cap ScrewGrade 2Zinc/Clear3/8-16 x 3/43/8-16 x 3/4 hex cap screw gr 2 zinc2000
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 51/2-13 x 5 hex cap screw gr 5 zinc50
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 61/2-13 x 6 hex cap screw gr 5 zinc partial thread50
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S+S FasteOHHex Head Cap ScrewGrade 5Zinc/Clear1/2-13 x 71/2-13 x 7 hex cap screw gr 5 zinc25
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1-14 x 4 1/21-14x4 1/2 gr8 hex c/s yellow zinc4
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black5/8-11 x 125/8-11x12 gr8 hex c/s plain35
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow7/8-9 x 8 1/27/8-9x8 1/2 gr8 hex c/s yellow zinc2
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black1/2-13 x 81/2-13x8 gr8 hex c/s plain8
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1 1/4-12 x 31 1/4-12x3 gr8 hex c/s yellow zinc40
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black7/16-14 x 77/16-14x7 gr8 hex c/s plain20
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black5/16-24 x 7/85/16-24x7/8 gr8 hex c/s plain51
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black7/16-20 x 1 1/27/16-20x1 1/2 gr8 hex c/s plain5
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow7/16-20 x 2 3/47/16-20x2 3/4 gr8 hex c/s yellow zinc270
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black7/16-20 x 37/16-20x3 gr8 hex c/s plain402
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black3/4-16 x 103/4-16x10 gr8 hex c/s plain3457.0355
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black7/8-14 x 147/8-14x14 gr8 hex c/s plain2
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1-14 x 3 3/41-14x3 3/4 gr8 hex c/s yellow zinc15
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black1-14 x 71-14x7 gr8 hex c/s plain1
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black1 1/8-12 x 61 1/8-12x6 gr8 hex c/s plain4
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WeaverWAHex Head Cap ScrewGrade 8Zinc/Yellow1 1/4-12 x 81 1/4-12x8 gr8 hex c/s yellow zinc10
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WeaverWAHex Head Cap ScrewGrade 8Plain / Furnace Black1 1/2-6 x 121 1/2-6x12 gr8 hex c/s plain1
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WeaverWAHex Head Cap ScrewGrade 9Plain / Furnace Black3/8-16 x 23/8-16x2 gr9 hex c/s plain800
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WeaverWAHex Head Cap ScrewGrade 9Plain / Furnace Black3/8-16 x 2 1/23/8-16x2 1/2 gr9 hex c/s plain600
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WeaverWAHex Head Cap ScrewGrade 9Plain / Furnace Black1/2-13 x 11/2-13x1 gr9 hex c/s plain750
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