professional factory for Surface Down The Hole Drills - Retractable Drill Bit – TDS
professional factory for Surface Down The Hole Drills - Retractable Drill Bit – TDS Detail:
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.
• Recommended for eliminating hole deviation
• 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
China supplier R25 R38 T38 T45 T51 GT60 retrac thread rock button drill bits. Can customize to design bit diameter,air hole quantity as well as bit head shape.Alloy button shape can be changed according to requirement.
| Bit Dia.(mm) | Thread Connection | Qty*Button Dia(mm)Gauge | Qty*Button Dia(mm)Front | Air Holes Front | Air Holes Side | Weight(kg) |
| 43 | R28 | 5X10 | 2X9 | 1 | 3 | 0.9 |
| 51 | R32 | 6X10 | 3X9 | 3 | - | 1.0 |
| 76 | R32/R38/T38 | 7X10 | 4X10 | 1 | 2 | 2.6 |
| 89 | T38/T45/T51 | 8X12 | 4X12+2X10 | 4 | 2 | 4.3 |
| 102 | R32/T38/T45 | 8X14 | 6X12 | 2 | 2 | 5.6 |
| 110 | T45/T51 | 7X14 | 5X13 | 3 | - | 5.8 |
| 115 | T45/T51 | 7X14 | 6X14 | 4 | - | 6.0 |
| 127 | T45/T51/GT60 | 8X14 | 7X13 | 2 | 1 | 6.5 |
| 140 | T51/GT60 | 8X16 | 7X14 | 2 | 1 | 8.9 |
| 152 | T51/GT60 | 8X16 | 8X14 | 2 | 1 | 10.0 |
Product detail pictures:
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"Quality very first, Honesty as base, Sincere assistance and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for professional factory for Surface Down The Hole Drills - Retractable Drill Bit – TDS , The product will supply to all over the world, such as: Maldives, Grenada, Muscat, Our company abides by the management idea of "keep innovation, pursue excellence". On the basis of assuring the advantages of existing products, we continuously strengthen and extend product development. Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.
It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
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