Product introduction:
Taper bits, especially Tapered button bits are the most popular tapered drill bits with a wide selection of head diameters from 26mm to 48mm. With carbide buttons cold pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity.
We manufacture various tapered button bits in different degrees as below:
Bit diameter: 26mm to 60mm;
Tapered degree: 4°, 6°, 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Carbide type: Chisel type, Cross type, Button type.
button bits
Tapered Rock Drill Bits : It’s suitable for H22mm and H25mm taper rock drill rods use. It have three taper degree: 7°, 11°, 12°.
It’s widely used for hard rock(f=8 18) drilling use. Taper button bits is the best sales product.
Perfect designs, tungsten carbide and skirt steel , provides leading strength and penetration rates for more
productivity, excellent straightness and hole clean quality, get max drilling performance to save up fuel cost rate.
Technical parameters:
DIAMETER | BUTTON | Flushing | Carbide | Face | ||
MM | IN | GAUGE NO/ SIZE | FRONT NO/ SIZE | HOLE | PROFILE | PROFILE |
32 | 1 1/4″ | 5×7 | 2×7 | IF1G | Parabolic | Flat |
36 | 1 13/32″ | 5×8 | 2×7 | 2F1G | Conical | Flat |
38 | 1 1/2″ | 5×9 | 2×7 | 1F2G | Conical | Flat |
38 | 1 1/2″ | 5×9 | 2×7 | 2F 1G | Conical | Flat |
38 | 1 1/2″ | 5×9 | 2×7 | 2F1G | Conical | Flat |
40 | 1 9/16″ | 5×9 | 2×8 | 2F 1G | Conical | Flat |
41 | 1 5/8″ | 5×9 | 2×8 | 2F1G | Conical | Flat |
41 | 1 5/8″ | 5×9 | 2×8 | 2F 1G | Parabolic | Flat |
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