SINODRILLS Tapered button bits:
Tapered button bits are the most popular tapered drill bits with a wide selection of head diameters from 26mm to 48mm. With carbide buttons hot pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity.
We manufactuer various tapered button bits in different degrees as below:Bit diameter: 32mm ~ 48mm;
Tapered degree: 4°46’, 6°, 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Buttons configuration: 4 buttons, 5 buttons, 6 buttons, 7 buttons, 8 buttons, 9 buttons;