12 Degree Tapered Tungsten Carbide Mining Rock Spherical Drill Bits Taper Button Drill Mining Bit of 32mm diameter
According to the tungsten carbide insert, button bits can be divided into types of hemispherical, conical and parabolic button, etc.
Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for high drilling speed and low abrasive resistance.
Product Description:
Different rock formations and rock drills require different taper angles. When drilling with high impact hydraulic rock drills in medium-hard to hard and abrasive rock formations, a wide taper angle is normally used. Taper angles of 11 and 12 degrees are normally used on modern drill rigs. For low impact rock drills and softer rock formations, a narrow taper angle of seven degrees is used. A 7 degree angle can also be used if bit spinning is a problem when using 11 and 12degree equipment. In addition, a 4, 46 degree angle is ideal for soft rock when you're using pneumatic or hydraulic drill rigs to prevent bits from spinning or becoming detached.
Products Parameters:
| Product Name: | Tapered Drill Bit |
| Diameter: | 32mm, 33mm, 35mm, 36mm, 38mm, 41mm |
| Button Size: | Front 2*7mm Gauge 5*7mm; Front 2*7mm Gauge 5*9mm; Front 2*7mm Gauge 6*7mm |
| Degree: | 12 Degree |
| Flushing Hole: | 1 Front and 1 Side |
| Application: | Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling |
| Feature: | Long Skirt |
| Material: | High quality carbide and high quality steel |
| MOQ: | No requirement for testing and trial order |
| We can design and manufature according to your requirment of diameter, number air holes and carbide button shape |
Product Advantage:
1. High grade tungsten carbide inserts, High resistance
2. Bit body is manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
Specification of other Taper Button Bits:
Small Hole Drilling Tools, Tapered Tools, 12 Degree
MIROC Button Bits, Long Skirt, BL7XX By KSQ Technologies |
| Bit Dia | Button and Size(mm) | Flushing Hole | Weight | Part Number | Product Code |
| mm | inch | Front | Gauge | Angle | Front | Side | kg |
| 32 | 1 1/4 | 2*7 | 5*7 | 35° | 1 | 1 | 0.3 | 4148300272 | BL732-12D-22 |
| 33 | 1 2/7 | 2*7 | 5*7 | 35° | 1 | 1 | 0.31 | 4148300273 | BL733-12D-22 |
| 35 | 1 3/8 | 2*7 | 5*9 | 35° | 1 | 1 | 0.38 | 4148300278 | BL735-12D-22 |
| 36 | 1 3/7 | 2*7 | 5*9 | 35° | 1 | 1 | 0.39 | 4148300279 | BL736-12D-22 |
| 38 | 1 1/2 | 2*7 | 5*9 | 35° | 1 | 1 | 0.41 | 4148300280 | BL738-12D-22 |
| 41 | 1 3/5 | 2*7 | 5*9 | 35° | 1 | 1 | 0.42 | 4148300281 | BL741-12D-22 |
| Products Name | Dia (mm) | Taper Angel (°) | Length(mm) | Weight(kg) |
| Taper Chisel / Cross Bit | 28 | 7 degree | 62mm | 0.16 |
| 30 | 0.20 |
| 32 | 0.22 |
| 34 | 0.24 |
| 36 | 0.28 |
| 38 | 0.32 |
| 40 | 0.36 |
| 42 | 0.38 |
| 46 | 0.44 |
| 50 | 0.50 |
| 60 | 0.66 |
Taper Button Bit
(with 4 pcs buttons) | 30/32 | 7 degree | 63mm | 0.20/0.22 |
| 36/38 | 0.28/0.34 |
| 40/42 | 0.36/0.42 |
Taper Button Bit
(with 5 pcs buttons) | 34 | 11 degree | 65mm | 0.3 |
| 40 | 7/11 degree | 63mm | 0.36 |
Taper Button Bit
(with 6 pcs buttons) | 36 | 11 degree | 63mm | 0.3 |
| 40 | 7 degree | 0.36 |
| 42 | 7 degree | 0.38 |
Taper Button Bit
(with 8 pcs buttons) | 32 | 7/12 degree | 65mm | 0.28 |
| 34 | 68mm | 0.30 |
| 38 | 63mm | 0.40 |
The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd.
is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.
Our productions are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.
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High Efficiency Taper Button Bit 12 Degree Spherical Drill Bits 32mm Diameter Images
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