Top Hammer Rock Drill Bits 7/11/12 Degree Tapered Button Bits for Mining - 32-41mm Diameter Range
Price:
$10.00/pieces 1-999 pieces
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
Kelleg
Product Description
Product Overview
Professional top hammer rock drill bits designed for efficient mining operations. Available in 7°, 11°, and 12° tapered configurations with various diameter options to suit different rock drilling requirements.
Applications & Specifications
These rock drilling bits are manufactured from high-quality carbide and special steel, engineered to work with light rock drills for drilling rock holes up to 50mm in diameter. Ideal for use in metallurgical mines, geological exploration, water conservancy construction, power projects, transportation infrastructure, tunnel construction, quarries, and stone engineering projects.
Standard Sizes Available
H22*108mm - Compact design for precision drilling
H25*159mm - Extended reach for deeper drilling applications
Technical Specifications
7° Drill Bits - Short Skirt
| Bit Dia. (mm) | Bit Dia. (inch) | Front No.×Button Dia. | Gauge No.×Button Dia. | Tip Angle | Front Flushing Hole | Side Flushing Hole |
|---|---|---|---|---|---|---|
| 32 | 1 1/4 | 1×8 | 3×8 | 35° | 1 | 1 |
| 33 | 1 19/64 | 2×7 | 5×7 | 35° | 2 | 1 |
| 34 | 1 11/32 | 2×7 | 4×7 | 40° | 1 | 1 |
| 35 | 1 3/8 | 2×7 | 5×8 | 35° | 1 | 1 |
| 36 | 1 27/64 | 1×8 | 3×9 | 40° | 1 | 1 |
| 38 | 1 1/2 | 2×7 | 5×9 | 40° | 2 | 1 |
| 40 | 1 37/64 | 1×8 | 3×9 | 30° | 1 | 1 |
7° Drill Bits - Long Skirt
| Bit Dia. (mm) | Bit Dia. (inch) | Front No.×Button Dia. | Gauge No.×Button Dia. | Tip Angle | Front Flushing Hole | Side Flushing Hole |
|---|---|---|---|---|---|---|
| 32 | 1 1/4 | 2×7 | 5×7 | 35° | 1 | 1 |
| 33 | 1 16/64 | 2×7 | 5×7 | 35° | 1 | 1 |
| 35 | 1 3/8 | 2×7 | 5×8 | 35° | 1 | 1 |
| 38 | 1 1/2 | 2×7 | 5×9 | 35° | 1 | 1 |
| 41 | 1 5/8 | 2×7 | 5×9 | 35° | 1 | 1 |
11° Drill Bits - Short Skirt
| Bit Dia. (mm) | Bit Dia. (inch) | Front No.×Button Dia. | Gauge No.×Button Dia. | Tip Angle | Front Flushing Hole | Side Flushing Hole |
|---|---|---|---|---|---|---|
| 32 | 1 1/4 | 1×8 | 3×8 | 35° | 1 | 2 |
| 33 | 1 19/64 | 2×7 | 4×7 | 40° | 1 | 1 |
| 34 | 1 11/32 | 2×7 | 4×7 | 40° | 1 | 1 |
| 35 | 1 3/8 | 2×7 | 5×7 | 35° | 1 | 1 |
| 36 | 1 27/64 | 1×8 | 3×9 | 40° | 1 | 1 |
| 38 | 1 1/2 | 1×9 | 3×9 | 40° | 1 | 1 |
| 40 | 1 37/64 | 1×9 | 3×9 | 40° | 1 | 1 |
| 41 | 1 5/8 | 2×7 | 5×9 | 35° | 1 | 1 |
11° Drill Bits - Long Skirt
| Bit Dia. (mm) | Bit Dia. (inch) | Front No.×Button Dia. | Gauge No.×Button Dia. | Tip Angle | Front Flushing Hole | Side Flushing Hole |
|---|---|---|---|---|---|---|
| 32 | 1 1/4 | 2×7 | 5×7 | 35° | 1 | 1 |
| 33 | 1 19/64 | 2×7 | 5×7 | 35° | 1 | 1 |
| 33 | 1 19/64 | 2×7 | 6×7 | 40° | 1 | 1 |
| 35 | 1 3/8 | 2×7 | 6×7 | 40° | 1 | 1 |
| 38 | 1 1/2 | 2×7 | 5×9 | 35° | 1 | 1 |
| 41 | 1 5/8 | 2×7 | 5×9 | 35° | 1 | 1 |
12° Drill Bits - Short Skirt
| Bit Dia. (mm) | Bit Dia. (inch) | Front No.×Button Dia. | Gauge No.×Button Dia. | Tip Angle | Front Flushing Hole | Side Flushing Hole |
|---|---|---|---|---|---|---|
| 28 | 1 7/64 | 1×7 | 3×7 | 20° | 1 | 1 |
| 29 | 1 9/64 | 1×7 | 3×7 | 40° | 1 | 1 |
| 30 | 1 3/16 | 1×7 | 3×7 | 40° | 1 | 1 |
| 32 | 1 1/4 | 2×7 | 5×7 | 40° | 2 | 1 |
| 33 | 1 19/64 | 2×7 | 5×7 | 35° | 1 | 1 |
| 34 | 1 11/32 | 2×7 | 5×8 | 35° | 1 | 1 |
| 35 | 1 3/8 | 2×7 | 4×7 | 35° | 1 | 1 |
| 36 | 1 27/64 | 2×7 | 5×9 | 35° | 1 | 1 |
| 37 | 1 29/64 | 2×7 | 5×9 | 40° | 1 | 1 |
| 38 | 1 1/2 | 1×9 | 3×9 | 40° | 1 | 1 |
| 41 | 1 5/8 | 2×7 | 5×9 | 35° | 1 | 1 |
12° Drill Bits - Long Skirt
| Bit Dia. (mm) | Bit Dia. (inch) | Front No.×Button Dia. | Gauge No.×Button Dia. | Tip Angle | Front Flushing Hole | Side Flushing Hole |
|---|---|---|---|---|---|---|
| 32 | 1 1/4 | 2×7 | 5×7 | 35° | 1 | 1 |
| 33 | 1 19/64 | 2×7 | 5×7 | 35° | 1 | 1 |
| 35 | 1 3/8 | 2×7 | 6×7 | 40° | 2 | 1 |
| 38 | 1 1/2 | 2×7 | 5×9 | 35° | 1 | 1 |
| 41 | 1 5/8 | 2×7 | 5×9 | 35° | 1 | 1 |
About Kelleg
Kelleg is a market-oriented enterprise integrating R&D, design, procurement, sales, and customer service. Specializing in geotechnical anchoring solutions, we are committed to building a professional service platform that provides comprehensive system solutions, product supply, and technical support. Our professional teams in technical, procurement, marketing, order management, and after-sales service provide customers with pre-sale technical consultation, product selection guidance, order management support, and on-site technical assistance.
Frequently Asked Questions
Is there a minimum order quantity?
We generally have no minimum order quantity requirements.
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.
After Services:
• Our sales team responds to questions within 24 hours (holidays excluded)
• Technical support available at any time
• Free replacement provided for confirmed product quality failures
• Technical support available at any time
• Free replacement provided for confirmed product quality failures
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Kelleg International Trade (Shanghai) Co., Ltd.