Min. Order Reference FOB Price
2000 Pieces US$0.465-1.00 / Piece
Product Description
Product Introduction Table Item Description Product Name 8.8 High-Strength Black External Hex Bolt Standard GB5783 Material 20, 35, 45 steel, or 40Cr alloy structural steel that meets GB/T 699 standards Strength Grade 8.8 Surface Treatment Black Oxide Finish (Blackening Treatment) ...