Chisel Rock Rrill Bits

Detailed Product Description Material: The skirt: 40Cr The carbide tip: YK15.6 High quality and competitive price Detailed Product Description H19, H22, H25 tapered drill rod high quality and competitive price The drill bit has good quality and competitive price 40Cr skirt and YK20 carbide tip Material: The skirt: 40Cr The carbide tip: YK15.6 High quality and competitive price