Min. Order Reference FOB Price
1 Piece US$72.00-87.00 / Piece
Product Description
Button Bit The drill bit is the main tool of mining engineering impact drill, drilling and drilling machine parts is matched with the company, the product adopts the high quality alloy bit Zhuzhou hard alloy factory, the carcass quality 40Cr, 42CrMo and other materials Seiko production, to ...