Zinc Yellow Bichromate Coated Alloy Steel Hex Head Bolt Standard ASME B18.2.2 Material as per ASTM A193 Gr. B7
This specification covers the chemical and mechanical requirements of three grades of carbon steel bolts and studs in sizes 1/4" through 4".
The term studs includes stud stock, somethimes referred to as threaded rod. This specification does not cover requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors or similar externally threaded fasteners.
Suitable nuts are covered in Specificaiton A563. Unless otherwise specified, the grade and style of nut for each grade of fastener, of all surface finishes, shall be as follows:
Fastener Grade and Size Nut Grade and Style
A, C, 1/4" to 1-1/2" A, hex
A, C, over 1-1/2" to 4" A, heavy hex
B, 1/4" to 4" A, heavy hex
||hex head bolt
|| Alloy Steel
||A193 B7/A194 2H
||ZincPlated(Blue/Yellow/Black),Black,HDPE,Fluorocarbon Coating, XYLAN
||Bulk in cartons on wood pallet or according to customer special demand.
||Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile
1. Competitive price; 2. OEM service available
Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
FOB, CIF, CFR, L/C, or others.
by sea, by air or by express service
Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc.