Cold pressing Button Bits
Negotiable /Piece
Min.Order:500 Pieces
Shandong Yanggu Rock Drilling Tools Factory
Features:
1) Tapered connection: 6, 7, 12o
2) Material:42CrMo & Yk05
3) Diameter: 30-45mm
4) Available types: sopherical & ballistic
Packaging: wood or plastic box