ST58 Spherical CNC Milling 4.5 Inch Rock Button Drill Bit
Description
Thread 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.
In addition, 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.
• Widely used in bench and long hole drilling
• Bit face design is ideal for medium-hard to hard abrasive rock
Color: Green or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: ST58 Button Bit Spherical Buttons
Applications
• Underground mining
• Tunneling
• Quarry
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
Specification
| Part Number | Product Code and Brief Description | 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) |
| 4148300981 | R1489-ST58-S-1, ST58 Retrac Button Bit, Spherical Buttons | 89 | 3 1/2 | 6x12 | 8x14 | 35° | 2 | 1 | 5.1 |
| 4148300982 | R1389-ST58-S, ST58 Retrac Button Bit, Spherical Buttons | 89 | 3 1/2 | 4x13, 1x13 | 8x13 | 35° | 4 | - | 5.1 |
| 4148300983 | R1589-ST58-S, ST58 Retrac Button Bit, Spherical Buttons | 102 | 4 | 7x12 | 8x14 | 35° | 2 | 1 | 6.5 |
| 4148300984 | R1489-ST58-S-2, ST58 Retrac Button Bit, Spherical Buttons | 115 | 4 1/2 | 6x14 | 8x16 | 35° | 2 | - | 8.5 |
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ST58 Spherical CNC Milling 4.5 Inch Rock Button Drill Bit Images
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