Bolts & Nuts

Bolts & Nuts

Requested buying material ASTM-A325 Type 1 ( ASTM-F1136 Grade 3 Coating ) Nuts: ASTM-A563 GRADE DH ( ASTM F1136 Grade 5 Coating ) Washers: ( ASTM -F1136 Grade 3 Coating ) And the nut should be heavy type The coating is Electro zinc plated Seamless pipes Welded pipes LSAW