64-127mm Forging Retract Button Bit with Raised Center for Rock Drilling and Mining Well
Price:
Negotiable
MOQ:
50 pcs
Delivery Time:
10-15 days
Brand:
MTH
Product Description
Rock Drill T45 Button Bit Drilling Tools Retrac Thread Button Bit
Product Description
These thread drill bits are manufactured using high-quality alloy steel bars and premium tungsten carbide. Available in various thread types including R25, R28, R32, SR35, R38, T45, T51, ST58, GT60, and ST68. The drill bit head diameters range from 32mm to 152mm, with button options in spherical, ballistic, and conical shapes. Face configurations include flat, drop-center, and engrave shapes, while body styles feature both normal and retrac designs. Ideal for tunnel construction and large-scale mining operations, including open-pit and underground copper, gold, and other mineral extraction.
Product Features
- Raised center design ensures center buttons contact rock first, improving collaring and hole straightness
- Optimized flushing hole configuration (3-4 holes depending on diameter) with equally spaced grooves for balanced air flow and reduced gauge button wear
- Slot-free face design promotes even air distribution, better cuttings clearance, and optimal button placement
- Precisely positioned buttons provide complete cutting coverage with just 90° rotation, eliminating rock re-breaking and missed areas
- Even load distribution across all buttons minimizes breakage risk and extends service life
Technical Specifications
| Size | Front Buttons | Gauge Buttons | Buckle Type | Weight |
|---|---|---|---|---|
| 64mm | 4×10 | 8×10 | R32 | 2.2KG |
| 76mm | 4×11 | 8×11 | T38 | 3.3KG |
| 89mm | 6×13 | 8×12 | T38 | 4.8KG |
| 102mm | 6×13 | 8×13 | T45 | 6.8KG |
| 115mm | 6×14 | 8×14 | T51 | 9.8KG |
| 127mm | 8×14 | 8×16 | T51 | 12KG |
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Company
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Location
No. 466 Zhongshan Road, Shijiazhuang, Hebei, China
Contact Person
Nikolay