GT60 Diameter 152mm Ballistic Thread Rock Drill Bit
1. The threaded drill bit are equipped with the hydraulic drilling
jumbo and used for crush rock ,and it is widely used in tunnel
construction, large scale mine(open and underground )and large
section tunnel advance in metal mine.
2. Our threaded button bit is made by best quality alloy steel bar
and tungsten carbide ,through heat treatment like Atlas, it
includes R25,R28,R32,R35,R38,T45,T51,ST58,HT60,ST68 and so on. And
the head diameter range from 32mm to 127mm.
Button bit is well known for its high wear resistance on
medium-hard to hard abrasive rock formations (between 200 Mpa to
260 Mpa compressive strength). Featuring spherical tungsten carbide
inserts that is known to have strong configuration against carbide
fracture.
• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock
• Color: Green,Blue or Based on Customer requirements
Product specifications: GT60 Button Bit
| GT60 Drill bits | Dia. | Tip size (mm) | Flushing hole No. | Weight |
| mm | inch | Front | Gauge | Angle | Side | Front |
| Normal thread |
| 92 | 3 5/8" | 13x4,13x1 | 13x8 | 35° | 4 | - | 5.3 |
| 96 | 3 3/4" | 13x4,13x1 | 14x8 | 35° | 4 | - | 5.6 |
| 102 | 4" | 11x9 | 13x9 | 35° | 3 | - | 6 |
| 115 | 4 1/2" | 12x10 | 14x9 | 35° | 3 | - | 6.8 |
| 127 | 5" | 13x10 | 14x9 | 35° | 3 | - | 7.5 |
| 140 | 5 1/2" | 14x10 | 16x9 | 35° | 3 | - | 9 |
| 152 | 6" | 14x12 | 16x9 | 35° | 3 | - | 10.6 |
| Retrac thread |
| 92 | 3 5/8" | 12x9 | 12x9 | 40° | 2 | - | 5.4 |
| 96 | 3 3/4" | 12x9 | 12x9 | 40° | 2 | - | 6.3 |
| 102 | 4" | 12x10 | 13x9 | 40° | 2 | - | 7.3 |
| 115 | 4 1/2" | 12x10 | 14x9 | 35° | 3 | - | 9.8 |
| 118 | 4 5/8" | 13x6 | 16x9 | 35° | 3 | | 10 |
| 127 | 5" | 13x10 | 14x9 | 35° | 3 | - | 12 |
| 140 | 5 1/2" | 14x10 | 16x9 | 35° | 3 | - | 14.0 |
| 152 | 6" | 14x12 | 16x9 | 35° | 3 | - | 16 |
