40mm 7-Button Hard Rock Drill Bits for Mining - H22 Rod Compatible for F10-F18 Rock Hardness
Price:
Negotiation
MOQ:
1 set
Delivery Time:
10-20 days working days
Brand:
OEM
Product Description
Product Overview
Our 40mm 7-button hard rock drill bits are engineered for maximum performance in demanding mining and construction applications. These professional-grade tools deliver exceptional durability and drilling efficiency in the toughest geological conditions.
Technical Specifications
| Specification | Details |
|---|---|
| Diameter | 40mm |
| Button Configuration | 7-button design |
| Connection Type | H22 drilling rod compatible (Small end: 18×7°, Insertion depth: 30-33mm) |
| Applications | Tunneling, mining, construction, stonework engineering, transportation facilities |
Rock Hardness Compatibility
- GL Series: Granite, basalt (F=15-18 hardness)
- GA Series: Granite, quartz porphyry, siliceous schist, hardest sandstone and limestone (F=12-15 hardness)
- GB Series: Dense granite, strong sandstone, limestone, quartz veins, sturdy conglomerate, iron ore (F=10-12 hardness)
Product Images
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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