高张力钢六角六角螺栓那Heavy Hex Astm Structural Construction Bolts Finish: ZINC, Plain, Plain, black, zinc plated, H.D.G, dacroment, geomet and so on Material: Stainless Steel, Steel, Carbon Steel Standard: DIN, ASME B18.2.6, ASME B18.2.3.6M Size: 1/2″ – 1-1/2″, M12-M36 Grade: A325, A490, A325M, A490M Application: Machinery, Chemical Industry, environmental, Building Package: Cartons […]