Basic Info Model NO: A193 Gr. B7/B7M/B8 Type: Round Head Head Style: Round Material: High Strength Steel Standard: ASTM A193 Additional Info Trademark: M Packing: in Bundles Then on 900kgs Pallet Origin: Ningbo China HS Code: 7318400 Export Markets : USA, Canada, Brazil, U. K., France, Germany, Spain, Italy, Switzerland, Dubai, Singapore, Malaysia, Japan, Korea. Etc. Product Description 1) Grade: Gr. B7/B7M/B8 2) Size: 1/4"-4" 3) Material: B7(4140) 4) Surfaces: Plain, black, zinc (ZP), yellow zinc plating (YZP), hot dipped galvanizing (HDG), dacromet and PTFE 5) Packaging: in Bundles Then on 900kgs Pallet