Home > Products > Button Drill Bit > R28 Button Bit Ballistic Buttons Dia. 37-48mm
R28 Button Bit Ballistic Buttons Dia. 37-48mm
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Product Details
| Brand Name | MIROC | Place of Origin | China | |
| Model Number | 4148300443-451 |
Product Description
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 Ballistic 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) |
| 4148300443 | 37 | 1?4/9 | 2x7 | 5x9 |
| 4148300444 | 38 | 1?1/2 | 2x8 | 4x9 |
| 4148300445 | 38 | 1?1/2 | 2x7 | 5x9 |
| 4148300446 | 41 | 1?5/8 | 2x8 | 5x9 |
| 4148300447 | 43 | 1?5/7 | 2x9 | 5x9 |
| 4148300448 | 45 | 1?7/9 | 2x9 | 5x10 |
| 4148300449 | 45 | 1?7/9 | 3x8 | 6x9 |
| 4148300450 | 48 | 1?8/9 | 2x9 | 5x11 |
| 4148300451 | 48 | 1?8/9 | 3x8 | 6x9 |
2
<
| Product?Code?and?Brief?Description | Angle |
Front?Flushing? Holes |
Side?Flushing? Holes |
Weight? (kg) |
| B737-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 30° | 1 | 1 | 0.5 |
| B638-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 30° | 1 | 2 | 0.6 |
| B738-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 30° | 1 | 1 | 0.6 |
| B741-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 35° | 1 | 1 | 0.7 |
| B743-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 35° | 1 | 2 | 0.8 |
| B745-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 30° | 1 | 2 | 0.9 |
| B945-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 35° | 1 | 3 | 0.9 |
| B748-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 30° | 1 | 2 | 1.0 |
| B948-R28-B,?R28?Button?Bit,?Ballistic?Buttons | 35° | 1 | 3 | 1.0 |
Contact Us
- KSQ Technologies (Beijing) Co. Ltd
- Contact nameMrs. Zhao Chat Now
- Phone86-10-60714361
- AddressRm 705, Unit 2, Building 6, Jialian Plaza, Liaocheng, Shandong
Product Categories
| Button Drill Bit | Chisel Drill Bit | Cross Bits | Drill Coupling |
| DTH Drilling Tools | Reaming Drill Bit | Retractable Drill Bit | Rock Drilling Tools |
| Threaded Drill Rod |
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