Min. Order Reference FOB Price
1 Piece US$0.02 / Piece
Product Description
D25mm Dome nut for thread anchor bar /rock bolts /mining and tunneling system 1 Basic description Product Name 45C/ 40CR dome nut hex nut for PT bar/hot rolled full thread steel bar Material carbon steel 45#,40cr Color self color, black, zinc plate size Φ15 Φ20 Φ25Φ28 ...