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[China]
Trade Verify
Address: No. 466 Zhongshan Road, Shijiazhuang, Hebei, China
Contact name:Nikolay
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD |
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Verified Suppliers
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Description:
MTH thread button drill bits are made by high quality alloy steel
bar and tungsten carbides. Through heat treatment, our drilling
tools are tough enough to meet rock drilling demands and have the
least loss of energy while drilling the rocks. Besides, we can
design customized thread button drill bits according to different
drilling application, and custom drill bits are applicable to drill
soft rock, loose-medium rock and hard rock.
Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32,
R35, R38, T38, T45, T51, ST58, T60 rock drill rods use. It have
many thread. It's widely used for hard rock(f=8~18) drilling use.
Specification:
| Bit Diameter (mm) | Bit Diameter (inch) | Front Buttons (No. x mm) | Gauge Buttons (No. x mm) | Angle | Front Flushing Holes | Side Flushing Holes | Weight (kg) |
| 45 | 1 7/9 | 3x8 | 6x9 | 40° | 3 | - | 1.1 |
| 48 | 1 8/9 | 3x9 | 6x10 | 30° | 3 | - | 1.2 |
| 51 | 2 | 3x9 | 6x10 | 30° | 3 | - | 1.4 |
| 64 | 2 1/2 | 3x10, 1x10 | 6x11 | 35° | 3 | - | 2.2 |
| 64 | 2 1/2 | 4x10 | 8x10 | 40° | 2 | - | 2.2 |
| 76 | 3 | 4x11, 1x11 | 8x11 | 35° | 4 | 1 | 3.5 |
Advantage of Flat Face 64mm T38 Threaded Retract Spherical Button Bit
• High grade tungsten carbide inserts.
• High efficiency.
• Top quality with competitive price.
