ASTM A193, A320 Stud BoltsMaterial: alloy steel, stainless steel, carbon steelGrade:Gr.B7, Gr.B7M, Gr.L7, Gr.L7MFinish: plain, black, zinc plated, PTFEMinimum order: 450KGAdvantage1.High quality and ...
Ningbo Beilun Milfast Metalworks Co.,Ltd
Main Products: fasteners... More