產品描述
| Product Name | Thread buttons bits |
| Description | 1. Made from top quality steel and tungsten carbide; 2. Apply hot - insertion processing procedure to insert the buttons 3. Optimized designs improve the drilling speed. |
| Material | Alloy steel and tungsten carbide |
| Body Type | Normal type and retract type |
| Thread type | R22, R25, R28, R32, R38, T38, T45, T51, ST58, ST68, GT60 |
| Diameter | 34mm - 127mm |
| Button bit shape | Ballistic and Spherical |
| Face shape | - center shape and Flat shape |
