Dia. 76mm 3'' Top Hammer Bits with T45 Thread
Product Description
(1) Made from high alloy steel 45CrNiMoV and YK05 tungsten carbide as same with world famous brand
(2) Apply "hot (thermal) -insertion" processing procedure to insert the button as
(3) Entire CNC processing procedure ensure the quality consistency
(4) Grade requirements of heat-treatment guarantee durability
(5) Fast penetration rates, and straight and clean hole quality, longer drilling life
Threaded Button Bits also named Top hammer bits for penumatic or hydraulic drill rig.
We offer a wide range of button bits, the follow specification table to see the different sizes. All of the top hammer bits are avalible with parabolic or hemispherical inserts.
I. Thread Button Bits Profile
Features:
1) Thread connection: R22, R25, R28, R32, R38, T38, T45, T51.
2) Steel material: 45CrNiMoV.
3) Suitable cemented carbide tips. Dome & Ballistic at most.
4) Bits diameter: 41-127mm.
5) Suitable for Top hamer drill rig, with powerful percussive impact. As Like Tamrock DQ500, DQ102.
Specification :
| Top hammer bits with T38 / R38 thread |
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| Part number |
Diameter |
Buttons |
Buttons |
Flushing gauge |
Flushing ront |
Body |
Front |
| gauge |
front |
| 38T64RD |
64mm |
8x10mm |
4x10mm 1x8mm |
0 |
4 |
Retrack |
Dropcenter |
| 38T76ND |
76mm |
8x12mm |
5x11mm |
0 |
4 |
Normal |
Dropcenter |
| 38T76RD |
76mm |
8x12mm |
5x11mm |
0 |
4 |
Retrack |
Dropcenter |
| R38 |
| 38R64RD |
64mm |
8x10mm |
4x10mm |
0 |
4 |
Retrack |
Dropcenter |
| 1x8mm |
| 38R76ND |
76mm |
8x12mm |
5x11mm |
0 |
4 |
Normal |
Dropcenter |
| 38R76RD |
76mm |
8x12mm |
5x11mm |
0 |
4 |
Retrack |
Dropcenter |
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