32/34/36/38/40 7 Button Cone Rock Drill Button Bits for Hard Rock Drilling
1 Product description of Rock Drilling Bits
Mining Tapered Rock Button Bit
About Our Products
1. All button drill bits are produced from raw materials.
2. The structure is simple and not easy to break
3. Hole straightness, high-speed deep hole drilling
4. Good flushing effect to ensure high drilling speed
2 Product Data of Rock Drilling Bits
Raw material | Alloy steel and tungsten carbides by Cold pressing treatment |
Button/tips&size | 4,5,6,7,8;0711/0710mm |
Taper angle | 7 °/11°/12° |
Skirt length | 50-55mm,60-70mm,75mm-80mm |
Socket inside diameter | 22/23/25mm |
Button type | ballistic ,spherical button |
Color | Blue,red,yellow,black,green |
Package | wooden case or plastic box with 50 pieces or 100 pieces |
Design | We can design according to customers' requirement and drawing, including buttons number, button type, and flushing holes. |

