Coal mine drill bit,Alloy Cross drill bit,Chisel drill bit,anchor drill bit,mining bits
USD $10 - $20 /Piece
Min.Order:200 Pieces
Taian Zhuoya Machine Tools Co., Ltd.
We can design and produce different drilling bits according to customers' requirements.
Types of drill bits | Diameter (mm) | Taper Angle (Degree) | Length (mm) | Weight (kg) |
Tapered chisel bits | 20/22/28/30/32/34/36/38/40 | 4 degree/ 6 degree/ 7 degree/ 11 degree/ 12 degree | 50/55/60/71/80 | 0.15 - 0.45 |
Tapered cross bits | 24/26/28/30/32/33/34/35/36/3/38/40/42/48/50/55 | 50/55/60/71/80 | 0.18 - 0.7 | |
Tapered button bits | 28/29/30/32/33/34/35/36/37/38/40/41/42/45 | 50/55/60/71/80 | 0.2 - 0.5 |