Description
1.Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations.Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
2.Recommended for eliminating hole deviation
3.Widely used drifting and tunneling
4.Bit face design is ideal for medium-hard to hard abrasive rock
T38 Common and Retrac button bits
Type | Dia(mm) | Front buttons | Guage buttons | Side Flu.holes | Front Flu holes | Weight(kg) |
Common Thread | 64 | 11x3 | 12x6 | 3 | - | 1.8 |
64 | 10x4 | 10x8 | 2 | - | 1.6 | |
64 | 10x4 | 11x6 | 3 | - | 1.7 | |
70 | 11x4 | 11x8 | 2 | - | 1.9 | |
70 | 10x5 | 11x8 | 4 | - | 1.9 | |
70 | 10x4 | 12x6 | 3 | - | 1.8 | |
76 | 11x4 | 11x8 | 2 | - | 2.4 | |
76 | 11x5 | 13x8 | 2 | 1 | 2.4 | |
76 | 11x4 | 12x6 | 3 | 1 | 2.6 | |
76 | 11x5 | 12x8 | 4 | - | 2.6 | |
76 | 11x5 | 11x8 | 4 | - | 2.6 | |
89 | 13x4 | 13x8 | 4 | - | 3.3 | |
89 | 13x5 | 13x8 | 2 | - | 3.3 | |
89 | 11x6 | 12x8 | 2 | - | 3.3 | |
89 | 11x5 | 13x6 | 3 | 1 | 3.3 | |
89 | 11x5 | 13x8 | 4 | - | 3.3 | |
89 | 13x5 | 13x8 | 4 | - | 3.3 | |
Retrac Thread | 64 | 10x4 | 10x8 | 2 | - | 2.2 |
64 | 10x4 | 11x6 | 3 | - | 2.2 | |
70 | 11x4 | 13x6 | 2 | - | 2.4 | |
70 | 10x4 | 11x8 | 3 | - | 2.4 | |
70 | 10x5 | 11x8 | 4 | - | 2.4 | |
76 | 11x4 | 11x8 | 2 | - | 3.3 | |
76 | 11x5 | 11x8 | 4 | - | 3.3 | |
76 | 11x5 | 12x8 | 4 | - | 3.3 | |
89 | 13x4 | 13x8 | 2 | - | 4.8 | |
89 | 13x5 | 13x8 | 2 | - | 4.8 | |
89 | 11x6 | 12x8 | 2 | - | 4.8 |