China Factory 5 Button 7 11 12 Degree Tapered Rock Drilling Button Bits

GOLD HANG rock drilling button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water well drilling, oil exploring industries etc.
Tapered 7 degree Button bits
Taper 11 degree Button bits

1. Professional quality control system
Advanced equipment, International quality certification and experienced worker

2. In-time delivery
3 days if in stock; 15-25 days for production

3. Good after-service
Full compensation if it occurs that buttons are out, broken and the body broken while button is worn less than 1/3.