M20-2.5 ASTM A325m Heavy Hex Structural Bolts
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.
ASTM A325/A490 Recommended Nuts
for assembled is Heavy hex Nut and F436
These bolts are intended for use in structural connections Specifications:
2.Standard:ASTM A325M, ANSI/ASME B 18.2.1,
3.Property Class: A325M
4.Material: Carbon steel or Alloy steel
5.Finish:Plain,Black,Zinc,YZP,Black Ph.HDG.Nickel Plate,Chrome Plate Etc
6.Place of Origin:China
8.Port of Loading:Shanghai/Ningbo,China
Bulk packing:25-30kgs/outer carton,36-48 carton /pallet
Box/outer carton: colorful to be according to required/ normal as factory.
Pallet:European plywood pallet/ Euro Fuming wooden pallet
11.Model No.:ASTM A325M
12.Delivery Time:30-50 Days
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Product Categories : Bolts > Heavy Hex Bolts