Min. Order Reference FOB Price
10 Pieces US$50.00-150.00 / Piece
Product Description
Product Description: some more details about TC (Tungsten Carbide) drill bits: Helix Angle: TC drill bits feature a helical or spiral flute design with a specific helix angle. The helix angle refers to the angle formed between the cutting edge and the axis of the drill bit. Different helix angles ...