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Hex Cap Screws, Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) (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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
General FMIHex Head Cap ScrewGrade 8Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)5/16-18 x 1 3/45/16-18 x 1.75 hhcs gr8 dorrl b18.2.111658
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QFCTXHex Head Cap ScrewGrade 8Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)9/16-12 x 49/16-12x4 hex c/s gr8 black dacromet and seal b18.2.1275
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MMFMIHex Head Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)1/4-20 x 1 1/41/4-20x1-1/4 k500 hhcs mil-dtl-1222j ty 1 gr 500 usa m1222rn4c220ncnn b18.2.18
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MMFMIHex Head Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)1/2-20 x 21/2-20 x 2 k500 hhcs mil-dtl-1222j ty 1 gr 500 k500 usa m1222rn8f232ncnn b18.2.12
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MMFMIHex Head Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)7/16-14 x 2 1/47/16-14 x 2-1/4 hhcs mil-dtl-1222j ty 1 gr 500 k500 usa m1222rn7c236ncnn b18.2.12
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MMFMIHex Head Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)5/16-18 x 3 1/45/16-18 x 3-1/4 k500 hhcs mil-dtl-1222j ty 1 gr 500 usa m1222rn5c252ncnn b18.2.15
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MMFMIHex Head Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)1/2-13 x 1 1/21/2-13 x 1-1/2 hhcs k500 mil-dtl-1222j ty 1 gr 500 usa b18.2.165
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MMFMIHex Head Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)1/2-13 x 1 1/21/2-13 x 1-1/2 hhcs k500 mil-dtl-1222j ty 1 gr 500 usa b18.2.165
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WurthINHex Head Cap ScrewGrade 8Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)3/4-16 x 3scr hcs gr8 (zf) 3/4-16x3 spc hex head cap screw asme b18.2.1 & sae j429 grade 8 steel zinc flake coating per 70510030 pack 30 per poly bag485
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