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| Brand Name : | MIROC | 
| Model Number : | 4148300436-442 | 
| Delivery Time : | 25 days | 
| Payment Terms : | T/T or L/C | 
| Supply Ability : | 20000 pieces per month | 
| Price : | negotiation | 
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 drifting and tunneling
• 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: R28 Button Bit Spherical Buttons
Applications
• Underground mining
• Tunneling
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
1
<
| Part Number | Bit Diameter (mm) | Bit Diameter (inch) | Front Buttons (No. x mm) | Gauge Buttons (No. x mm) | 
| 4148300436 | 37 | 1 4/9 | 2x7 | 5x9 | 
| 4148300437 | 38 | 1 1/2 | 2x8 | 4x9 | 
| 4148300438 | 38 | 1 1/2 | 2x7 | 5x9 | 
| 4148300439 | 41 | 1 5/8 | 2x8 | 5x9 | 
| 4148300440 | 43 | 1 5/7 | 2x9 | 5x9 | 
| 4148300441 | 45 | 1 7/9 | 2x9 | 5x10 | 
| 4148300442 | 45 | 1 7/9 | 3x8 | 6x9 | 
2
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| Product Code and Brief Description | Angle | Front Flushing Holes | Side Flushing Holes | Weight (kg) | 
| B737-R28-S, R28 Button Bit, Spherical Buttons | 30° | 1 | 1 | 0.5 | 
| B638-R28-S, R28 Button Bit, Spherical Buttons | 30° | 1 | 2 | 0.6 | 
| B738-R28-S, R28 Button Bit, Spherical Buttons | 30° | 1 | 1 | 0.6 | 
| B741-R28-S, R28 Button Bit, Spherical Buttons | 35° | 1 | 1 | 0.7 | 
| B743-R28-S, R28 Button Bit, Spherical Buttons | 35° | 1 | 2 | 0.8 | 
| B745-R28-S, R28 Button Bit, Spherical Buttons | 30° | 1 | 2 | 0.9 | 
| B945-R28-S, R28 Button Bit, Spherical Buttons | 35° | 1 | 3 | 0.9 | 
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| Company Info. | 
| KSQ Technologies (Beijing) Co. Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
 
                                 
                                 
                                 
                                