 |
| Place of Origin: | China |
| Brand Name: | MIROC |
| Model Number: | 4148300436-442 |
| Minimum Order Quantity: | 50 |
|---|---|
| Price: | negotiation |
| Packaging Details: | Carton Box or Wooden Box |
| Delivery Time: | 25 days |
| Payment Terms: | T/T or L/C |
| Supply Ability: | 20000 pieces per month |
| High Light: | hardened steel drill bits,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 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
<
| 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 |
Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988
