KSQ Technologies (Beijing) Co. Ltd
KSQ Technologies (Beijing) Co. Ltd At KSQ We always look at the business in your point of view.
Add to Cart
4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits
Description
This type of 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.
.
• 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 | Bit Diameter (mm) | Bit Diameter (inch) |
Front Buttons (No. x mm) |
Gauge Buttons (No. x mm) |
| 4148300965 | 89 | 3 1/2 | 6x12 | 8x12 |
| 4148300966 | 89 | 3 1/2 | 6x13 | 8x13 |
| 4148300967 | 89 | 3 1/2 | 4x13, 1x13 | 8x13 |
| 4148300968 | 89 | 3 1/2 | 4x12, 2x12 | 8x12 |
| 4148300969 | 95 | 3 3/4 | 4x13, 1x13 | 8x14 |
| 4148300970 | 102 | 4 | 6x14 | 8x14 |
| 4148300971 | 102 | 4 | 6x13 | 8x16 |
| 4148300972 | 115 | 4 1/2 | 6x14 | 8x16 |
| Product Code and Brief Description | Angle |
Front Flushing Holes |
Side Flushing Holes |
Weight (kg) |
| B1489-ST58-S-1, ST58 Button Bit, Spherical Buttons | 35° | 2 | 1 | 4.1 |
| B1489-ST58-S-2, ST58 Button Bit, Spherical Buttons | 35° | 2 | 1 | 4.1 |
| B1389-ST58-S-1, ST58 Button Bit, Spherical Buttons | 35° | 4 | - | 4.1 |
| B1489-ST58-S-3, ST58 Button Bit, Spherical Buttons | 35° | 4 | - | 4.1 |
| B1389-ST58-S-2, ST58 Button Bit, Spherical Buttons | 35° | 4 | - | 4.6 |
| B1489-ST58-S-4, ST58 Button Bit, Spherical Buttons | 35° | 2 | - | 6 |
| B1489-ST58-S-5, ST58 Button Bit, Spherical Buttons | 35° | 2 | 1 | 6 |
| B1489-ST58-S-6, ST58 Button Bit, Spherical Buttons | 35° | 2 | - | 7 |