Basic Info Model NO: ASTM A490 Type: Hexagon Head Head Style: Hexagonal Material: High Strength Steel Standard: ASTM A490 Additional Info Trademark: M Packing: 25kgs Per Box, 36 Boxes Per Pallet Origin: Ningbo China HS Code: 73181500 Export Markets : USA, Canada, Brazil, U. K., France, Germany, Spain, Italy, Switzerland, Dubai, Singapore, Malaysia, Japan, Korea. Etc. Product Description 1) Grade: A490 2) Size: 1/2"-1 1/2" 3) Material: Carbon steel, alloy steel, stainless steel, etc. 4) Surfaces: Plain, black, ZP, ZY, H. D. G. etc. 5) Packaging: 25kgs per box, 36 boxes per pallet