D miningwell Small Hole Drill Bits 32mm 34mm 36mm 38mm 40mm 42mm taper button bits mining rock drill bits
Taper bits, especially Tapered button bits are the most popular tapered drill bits with a wide selection of head diameters from 28mm to 41mm. With carbide buttons hot pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity.
D Miningwell was founded in Quzhou city, China in 2001. For more than 20 years production and operation process. D Miningwell has been on the leading edge of mining equipment. We has its own drilling rig, DTH hammer, and drill pipe production workshops. provides a wide range of quality tools to mining, tunnelling, quarrying, water-well projects and urban transportation construction. D Miningwell is committed to providing customers with the most efficient and cost-effective drilling solution. Our team of drilling specialists are standing by to assist.
We manufacture various tapered button bits in different degrees as below: |
Bit diameter: 26mm to 60mm; |
Tapered degree: 4°46’, 6°, 7°, 11°, 12°; |
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm; |
Carbide type: Chisel type, Cross type, Button type. |
Qty of button: 5, 7, 8 pcs |