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China wholesale Hex Screws - Black Bolts Carbon Steel Alloy Steel Structural Hex Bolt Nut – FIXDEX

Black Bolts Carbon Steel Alloy Steel Structural Hex Bolt Nut

Product Name

ASTM A325 grade8.8hotdipgalvanizedheavy hexboltand nut

Size M3-72
Grade SUS201,SUS304,SUS316,A2-70,A2-80,A4-80,4.8 6.8 8.8 10.9 12.9
Material carbon steel, alloy steel, stainless steel
Color Plain, ZincPlated(Clear/Blue/Yellow/Black), black oxide, H.D.G,
Standard DIN GB ISO JIS BA ANSI
Brade G&T
Thread unc,unf,metric thread
Used building industry machinery 43546

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