China 32mm Tapered Drill Bit Factory, Factories

32mm Tapered Drill Bits for Hard Rock Drilling

7 Buttons,Boart Longyear style

Inner hole Zinc Coated Or Copper Sleeve

Product Description

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Product Overview

The Tapered Button Bit is designed as a small hole bit, specifically engineered to function differently from thread button bits. It utilizes a taper match with the drill rod, making it the ideal choice for air leg or hand-held jack hammer drillers. It is widely applied in quarrying and mining operations where precision and efficiency are paramount.

Our tapered bits feature enhanced manufacturing processes where wear resistance is increased by 30%. This significant improvement ensures a longer service life and reliable performance across various rock formations and challenging geological conditions.

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Technical Specifications
Diameter: 32mm
Shank Size: Φ22
Taper Degrees: 7°, 11°, 12°
Material: Alloy Steel Bar 45CrNiMoV / 50R61
Carbide Tips: Tungsten Carbide YK05 or T6
Button Design: 7 Ballistic Buttons
Face Type: Flat Face
Body Style: Standard / Boart Longyear Style
Frequently Asked Questions
1. What is the difference between a tapered button bit and a thread button bit? Tapered button bits are primarily used for small hole drilling with air leg or hand-held drills, using a taper connection. Thread bits are typically used for long hole drilling with larger equipment using threaded connections.
2. Which taper angles are available for this 32mm bit? We provide standard taper connections of 7 degrees, 11 degrees, and 12 degrees to ensure compatibility with various drill rods.
3. What materials are used for the cutting tips? The bits are equipped with high-quality Tungsten Carbide tips, specifically YK05 or T6 grades, known for their extreme hardness and durability.
4. How is the wear resistance improved? Through optimized material selection (45CrNiMoV Alloy Steel) and advanced manufacturing techniques, the wear resistance is increased by 30% compared to standard bits.
5. What is the benefit of the ballistic button shape? Ballistic buttons provide faster penetration rates in soft to medium-hard rock formations compared to spherical buttons.
6. In which industries are these drill bits most commonly used? They are extensively used in the mining, quarrying, and stone processing industries, particularly in countries with high stone consumption like India, Saudi Arabia, Chile, and South Africa.

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