Standard

ASTM A194、ASTM A563、SAE J995、DIN 267.4、ISO 898.2/6

GB/T 3098.2/4、JIS B1052

Nominal size

1/4”~1-1/2”(in.)、M12~M42(mm)

Material

Carbon steel、Medium Carbon steel

Quenched and tempered、 Alloy steel

Atmospheric corrosion resistent steel

Thread type

Coarse thread、 Fine thread

Nut type

Hex nuts、Heavy hex nuts、Square nuts、Heavy square nuts、Flange nuts

Surface

Plain、Black、Zinc-plated、 H.D.G.、Dacromet