Product Description
Product description:
(1) Made from high alloy steel and YK05 tungsten carbide as same with world famous brand
(2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons.
(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.
14 Semi-ballistic carbide inserts T51 threaded drill bit with drop center face design, 89 mm diameter match with extension drill steels. Drop center bits (DC) are well suited for drilling straighter holes in less abrasive and less consolidated rock at a faster rate.
Top hammer bits with T45 thread |
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| Part number |
Diameter |
Buttons |
Buttons |
Flushing gauge |
Flushing front |
Body |
Front |
| gauge |
front |
| 45T66RD |
66mm |
|
4x10mm 1 x 8mm |
0 |
4 |
Retrack |
Dropcenter |
| 8x10mm |
| 45T70RD |
70mm |
8x10mm |
5x10mm |
0 |
4 |
Retrack |
Dropcenter |
| 45T76ND |
76mm |
8x12mm |
5x11mm |
0 |
4 |
Normal |
Dropcenter |
| 45T76RD |
76mm |
8x12mm |
5x11mm |
0 |
4 |
Retrack |
Dropcenter |
| 45T76RD L |
76mm |
8x12mm |
5x11mm |
0 |
4 |
Guidebit |
Dropcenter |
| Retrack |
| 45T89ND |
89mm |
8x12mm |
6x11mm |
1 |
4 |
Normal |
Dropcenter |
| 45T89RD |
89mm |
8x12mm |
6x11mm |
1 |
4 |
Retrack |
Dropcenter |
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