High quanlity JYG Stoning Carbide cross bits
Negotiable /Piece
Min.Order:500 Pieces
Shandong Yanggu Rock Drilling Tools Factory
Features:
1)Tapered connction:6,7°11°12
2)Thread connection:R22 R25 R28 R32 R38 T38 T45 T51
3)Diameter:30mm-127mm
4)Material:42CrMo & zhuzhou carbide
5)Technology:Welding
6)Maining used in coaling,stoning,metaling