Description
We offer tapered button drill bit size from 32mm-48mm , which is made of high quality steel and carbide ,and With carbide buttons hot pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity.
tapered button bits in different degrees as below:
Diameter: 32mm ~ 48mm;
Tapered degree: 4°, 6°, 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Skirt: long or short
Buttons configuration: 4 buttons, 5 buttons, 6 buttons, 7 buttons, 8 buttons, 9 buttons;
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