High Wear Resistance Retractable Hard Rock Drill Bits 64-89mm for 200-260 MPa Rock Formations
Price:
Negotiation
MOQ:
1 set
Delivery Time:
10-20 days working days
Brand:
OEM
Product Description
High Wear Resistance Retractable Hard Rock Drill Bits
Retractable rock drill button bits deliver exceptional wear resistance for medium-hard to hard abrasive rock formations with compressive strength ranging from 200 MPa to 260 MPa. These bits feature spherical tungsten carbide inserts known for their strong configuration against carbide fracture.
Key Applications
- Recommended for eliminating hole deviation
- Widely used in drifting and tunneling operations
- Ideal for medium-hard to hard abrasive rock formations
- Suitable for small hole range applications
- Extensively used in Dimensional Stone Quarrying Industry
- Widely applied in Underground Mining Industry
Compatible Equipment
Designed for powerful percussive drills and top hammers with high speed drifters, including Atlas Copco 282 Rocket Boomer, Atlas Copco 352 Rocket Boomer Jumbo, Atlas Copco D7ROC, Furukawa HCR 1200, Tamrock, and Ingersoll Rand ECM660. These products are widely used in bench and production drilling, as well as extensional drilling applications.
Popular Sizes
T38 Retract rock drill button bit most popular sizes: 64mm, 70mm, 76mm, 89mm
Product Characteristics
- Reaming drill bit connects perfectly with tapered drill rods for efficient drilling
- Stable and mature welding technology ensures high quality construction
- Accurate dimension of taper degree perfectly matches the rods
- Reliable performance with excellent cost-effectiveness
- High grade tungsten carbide inserts for superior durability
- Bit bodies manufactured from high grade steel using state-of-the-art CNC machinery and heat treatment
- Extended service life with lower consumption rates
- Wide selection of drill bits available
- Quick delivery service
Performance Advantages
- High penetration rate for increased productivity
- Extended service life resulting in lower drilling costs
- Excellent straightness and superior hole clean quality
Technical Specifications
| Diameter (mm) | Diameter (inch) | Front Buttons | Gauge Buttons | Flushing Angle | Approx Weight (kg) | Part No. |
|---|---|---|---|---|---|---|
| 32 | 1 1/4 | 2*7 | 3*8 | 35 | 0.2 | Q532-722 |
| 33 | 1 19/64 | 2*7 | 4*7 | 40 | 0.2 | Q633-722 |
| 33 | 1 19/64 | 2*7 | 5*7 | 35 | 0.2 | Q733-722 |
| 34 | 1 11/32 | 2*7 | 4*7 | 40 | 0.29 | Q634-722 |
| 35 | 1 3/8 | 2*7 | 5*7 | 35 | 0.22 | Q735-722 |
| 36 | 1 27/64 | 1*8 | 3*9 | 40 | 0.3 | Q436-722 |
| 36 | 1 27/64 | 2*7 | 4*7 | 40 | 0.35 | Q636-722 |
| 36 | 1 27/64 | 2*7 | 5*8 | 35 | 0.3 | Q736-722 |
| 38 | 1 1/2 | 1*9 | 3*9 | 40 | 0.35 | Q438-722 |
| 38 | 1 1/2 | 2*8 | 4*8 | 40 | 0.35 | Q638-722 |
| 38 | 1 1/2 | 2*7 | 5*8 | 35 | 0.35 | Q738-722 |
| 38 | 1 1/2 | 2*7 | 5*9 | 40 | 0.35 | Q738-722A |
| 40 | 1 37/64 | 1*9 | 3*9 | 40 | 0.35 | Q440-722 |
| 40 | 1 37/64 | 2*7 | 5*9 | 35 | 0.35 | Q740-722 |
| 41 | 1 5/8 | 2*7 | 5*9 | 35 | 0.35 | Q741-722 |
| 42 | 1 21/32 | 1*9 | 3*9 | 30 | 0.35 | Q741-722 |
| 42 | 1 5/8 | 2*7 | 5*9 | 35 | 0.35 | Q442-722 |
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Beijing Silk Road Enterprise Management Services Co.,LTD
Location
Room 1601-1605, Building B, Jiatai International Building, No. 41 Dongsihuan Middle Road, Chaoyang District, Beijing
Contact Person
mao