Structural Heavy Hex Head Bolts

Structural Heavy Hex Head Bolts ASTM A325 Type 1 Des: Heavy hex Structural Bolts require a hex head that is larger than a standard (finished) hex head. These specifications includeA193, A320 and A307B. Although A325 and A490 bolts also require a heavy hex head. please refer to Structural Bolts for dimensional specifications, since these bolts have shorter thread lengths than standard heavy hex bolts. Heavy hex structural Bolts covers high strength heavy hex structural bolts from ½" diameter through 1-1/2" diameter It has three Types,Type1,Type2,Type3,with different technical and head mark. Specifications: 1.Size: 1/2---1 1/2 2.Standard:ASTMA325, ANSI/ASME B 18.2.1, 3.Property Class: A325 4.Material: Carbon steel 5.Finish:Plain,Black,Zinc,YZP,Black Ph.HDG.Nickel Plate,Chrome Plate Etc 6.Place of Origin:China 7.Port of Loading:Shanghai/Ningbo,China 8.Packing: bag/box/carton/pallet.                Bulk pac…