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Tapered Bit
Taper button bit as small hole bit is different with thread button bit as long hole bit to use taper match with bit with rod to be used for air leg or hand held jack hammer driller in quarrying,and mining.
Description :
(1)Connect shank Size: Φ19, Φ22, Φ25 at most
(2)Bit Diameter:Diameter 32mm,34mm,36mm, 38mm,40mm
(3)Tapered connection: 6 degree, 7 degree, 11 degree, 12 degree etc.
(4)Material︰Alloy Steel Bar 45CrNiMoV, Tungsten Carbide Tips YK05 or T6.
(5)Button Shape︰ Ballistic Face Type︰ Flat Face; Bit Body︰Standard
(6)Qty of button: 5,7, 8 pcs
(7)main market: India, Saudi, Chile, South Africa,stone country consume too much.
Product features
Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year,tungsten carbide code No. YK05 supplied by Zhuzhou 601 factory,Offers industry-leading strength and penetration rates for more productivity.Excellent straightness and hole clean quality.
Tapered button drill bit specifications.
| 7 degree for Hexagon 22. | ||||
| Part number | Diameter in mm | Length in mm | Inserts | Diameter inserts |
| 7D33-7-22 | 33 | 70 | 5+2 parabolic | 7mm |
| 7D33-8-22 | 33 | 70 | 6+2 parabolic | 7mm |
| 7D36-7-22 | 36 | 70 | 5+2 parabolic | 5x8mm + 2x7 |
| 7D36-8-22 | 36 | 70 | 6+2 parabolic | 6x8mm + 2x7 |
| 7D38-7-22 | 38 | 70 | 5+2 parabolic | 5x9mm + 2x7 |
| 7D38-8-22 | 38 | 70 | 6+2 parabolic | 6x9mm + 2x7 |
| 7D38-4-22 | 38 | 70 | 4 parabolic | 4x9mm |
| 7D40-7-22 | 40 | 70 | 5+2 parabolic | 5x9mm + 2x7 |
| 7D40-8-22 | 40 | 70 | 6+2 parabolic | 6x9mm + 2x7 |
| 11 degree for Hexagon 22. | ||||
| Part number | Diameter in mm | Length in mm | Inserts | Diameter inserts |
| 11D33-7-22 | 33 | 50 | 5+2 parabolic | 7mm |
| 11D33-8-22 | 33 | 50 | 6+2 parabolic | 7mm |
| 11D36-7-22 | 36 | 50 | 5+2 parabolic | 5x8mm + 2x7 |
| 11D36-8-22 | 36 | 50 | 6+2 parabolic | 6x8mm + 2x7 |
| 11D38-7-22 | 38 | 50 | 5+2 parabolic | 5x9mm + 2x7 |
| 11D38-8-22 | 38 | 50 | 6+2 parabolic | 6x9mm + 2x7 |
| 11D38-4-22 | 38 | 50 | 4 parabolic | 4x9mm |
| 11D40-7-22 | 40 | 50 | 5+2 parabolic | 5x9mm + 2x7 |
| 11D40-8-22 | 40 | 50 | 6+2 parabolic | 6x9mm + 2x7 |
| 12 degree for Hexagon 22. | ||||
| Part number | Diameter in mm | Length in mm | Inserts | Diameterinserts |
| 12D32-7-22 | 32 | 50 | 5+2 parabolic | 7mm |
| 12D32-8-22 | 32 | 50 | 6+2 parabolic | 7mm |
| 12D33-7-22 | 33 | 50 | 5+2 parabolic | 7mm |
| 12D33-8-22 | 33 | 50 | 6+2 parabolic | 7mm |
| 12D36-7-22 | 36 | 50 | 5+2 parabolic | 5x8mm + 2x7 |
| 12D36-8-22 | 36 | 50 | 6+2 parabolic | 6x8mm + 2x7 |
| 12D38-7-22 | 38 | 50 | 5+2 parabolic | 5x9mm + 2x7 |
| 12D38-8-22 | 38 | 50 | 6+2 parabolic | 6x9mm + 2x7 |
| 12D38-4-22 | 38 | 50 | 4 parabolic | 4x9mm |
| 12D40-7-22 | 40 | 50 | 5+2 parabolic | 5x9mm + 2x7 |
| 12D40-8-22 | 40 | 50 | 6+2 parabolic | 6x9mm + 2x7 |
