2021 China New Design Dth Drill Pipe - Retractable Drill Bit – TDS
2021 China New Design Dth Drill Pipe - 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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Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for 2021 China New Design Dth Drill Pipe - Retractable Drill Bit – TDS , The product will supply to all over the world, such as: Vancouver, America, Miami, The company attaches great importance to product quality and service quality, based on the business philosophy "good with people, genuine to whole world, your satisfaction is our pursuit". we design products, According to customer's sample and requirements, to meet the needs of the market and offer different customers with personalized service. Our company warmly welcomes friends at home and abroad to visit, to discuss cooperation and seek common development!

The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.

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