Customized DTH Hammer Drill Bits 90-508mm for Hard Rock Mining Operations with 0.8-2.4 MPa Pressure Range
Price:
$11.60/pieces 1-999 pieces
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
Kelleg
Product Description
Customized DTH Hammer Drill Bits for Hard Rock Mining
Professional DTH (Down-The-Hole) button drill bits engineered for demanding hard rock drilling operations in energy mining and quarrying applications.
DTH Drill Bit Types
Flat Type Design
Optimized for drilling hard rock layers and highly corrosive formations under high wind pressure conditions.
Convex Type Design
Ideal for soft to medium hard rocks with medium to low wind pressure, delivering exceptional drilling speed.
Concave Type Design
Versatile performance across all rock layers, particularly effective in medium hard rocks with superior drilling straightness and efficient slag removal.
Carbide Button Designs
Semi-Ballistic Configuration
Advanced combination design providing increased drilling speed compared to conventional domed buttons while maintaining higher longevity than aggressive ballistic carbide designs.
Dome Configuration
Robust shape engineered for hard, abrasive rock formations and deep-hole drilling applications. Suitable for nearly all rock drilling operations.
Ballistic Configuration
Optimized for less-abrasive sedimentary deposits where maximum drilling speed is critical. Not recommended for severely broken ground or extremely hard rock conditions.
Medium and High Pressure DTH Drill Bit Specifications
| Specifications | Number of Vent Holes | Nominal Diameter (mm) | Side Teeth | Middle Teeth | Weight (kg) |
|---|---|---|---|---|---|
| KQZG-90P--KQZG-508P | 2-4 | φ90-φ508 | 6-24xφ13-φ19 | 4-74xφ12-φ19 | 4-311 |
| KQZG-115P1--KQZG-254P1 | 2-3 | φ115-φ254 | 7-16xφ14-φ18 | 7-11xφ12-φ16 | 8-58 |
| KQZG-130P2--KQZG-254P2 | 2-3 | φ130-φ254 | 7-11xφ14-φ18 | 7-17xφ13-φ16 | 8-58 |
| KQZG-130P3--KQZG-216P3 | 2-3 | φ130-φ216 | 7-10xφ16-φ18 | 7-12xφ14-φ16 | 15-50 |
Medium and High Pressure DTH Impactor Specifications
| Specifications | Drilling Diameter (mm) | Length (mm) | Working Pressure (Mpa) | Air Consumption (m³/min) | Connection Thread |
|---|---|---|---|---|---|
| KQCZ90--KQCZ110 | φ90--φ150 | 870--917 | 0.8--1.2 | φ54--φ65--6 | |
| KQCG80 | φ80--φ85 | 867 | 0.8--2.1 | φ47--6 | |
| KQCG90--KQCG165 | φ90--φ305 | 908--1372 | 0.8--2.1 | φ53--φ99.5--8 | |
| KQCG110A | φ110--φ130 | 994 | 1.0--2.1 | 3.5--15 | φ64--8 |
| KQCG130A | φ130--φ152 | 1067 | 0.8--2.1 | 3--14 | φ83--12 |
| KQCG140A | φ140--φ152 | 1220 | 0.8--2.1 | 46.5--18 | φ84--8 |
| KQCG165A | φ165--φ203 | 1076 | 0.8--2.1 | 6.8--20 | φ104.4--12 |
| KQCG200 | φ203--φ350 | 1551 | 1.0--2.1 | 12--31 | φ128--10 |
| KQCG200A | φ203--φ350 | 1551 | 1.0--2.1 | 12--35 | φ128--10 |
| KQCG200B | φ203--φ254 | 1450 | 0.8--2.1 | 9.6--25 | φ128--10 |
| KQCG200C | φ203--φ350 | 1551 | 1.0--2.1 | 12--31 | φ128--10 |
| KQCG310 | φ311--φ508 | 2110 | 1.0--2.4 | 30--78 | φ210--12 |
About Kelleg
Kelleg is a market-oriented enterprise integrating R&D, design, procurement, sales, and customer service. We specialize in geotechnical anchoring solutions and are committed to building a professional service platform that combines system solution provision, product supply, and technical support. Our professional teams provide comprehensive services including pre-sale technical consultation, product selection guidance, order management, and on-site technical support.
Frequently Asked Questions
Is there a minimum order quantity?
We generally have no minimum order quantity.
Do you have inspection procedures?
100% strict inspection and testing for every order before packing.
How long is your delivery time?
1-3 days for products in stock; regular order delivery in 2-3 weeks.
What after-sales services do you provide?
• Sales team response within 24 hours (holidays excluded)
• 24/7 technical support availability
• Free replacement for confirmed product quality failures
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Get in Touch
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Company
Kelleg International Trade (Shanghai) Co., Ltd.