Basic info Model No.: ASTM A320 Type: Round Head Material: Carbon Steel Standard: ASTM Additional info Trademark：M Packing: In Bundles Then on 900kgs Pallet Origin: Ningbo China HS Code: 7318400 Product Description Grade: L7, L7M, B8, B8M Size: 1/4"-3" Material: Carbon, alloy, stainless, brass, etc. Surfaces: Plain, black, ZP, ZY, H. D. G., Teflon Coated etc. Packaging: In Bundles then on 900KGS Pallet Keyword: A320/L7