Hard Rock 7 Degree Small Rock Drill Bits Tapered Drilling Bit
Tapered Button Bits are widely applied in small-hole drilling, such
as stone quarrying, mining, tunnel work and construction. It is for
drilling medium-hard to hard and abrasive rock formations
Product name | Tapered Button Bits |
Material | Tungsten Carbides |
Application | Quarrying, small hole drilling |
Advantage | High Performance |
Color | Customized |
Usage | Mining / Quarrying / Tunneling |
Button Type | Hemispherical/Parabolic/Ballistic / Conical |
1. High-strength, high flexibility, high temperature, high wear
resistance.
2. High-precision metal seal.
3. Locking roller ball, to adapt to high-speed.
4. Use high strength high toughness carbide teeth
5. Hours in the rotary cone bit with the impact, crushing and
shearing the role of broken rock.
6. Cone bit to adapt to the soft, medium and hard of various
strata.
7. Reasonable price and long working life.
Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Product Code |
mm | inch | Front | Gauge | Front | Side | kg |
32 | 1 1/4 | 1x8 | 3x8 | 1 | 1 | 0.24 | BS432-7D-22 |
36 | 1 3/7 | 1x8 | 3x9 | 1 | 1 | 0.37 | BS436-7D-22 |
38 | 1 1/2 | 1x8 | 3x9 | 1 | 1 | 0.37 | BS438-7D-23 |
40 | 1 4/7 | 1x8 | 3x9 | 1 | 1 | 0.38 | BS440-7D-23-1 |
40 | 1 4/7 | 1x9 | 3x10 | 1 | 1 | 0.4 | BS440-7D-23-2 |
40 | 1 4/7 | 1x9 | 3x9 | 1 | 1 | 0.4 | BS440-7D-23-3 |
42 | 1 2/3 | 1x8 | 3x9 | 1 | 1 | 0.4 | BS442-7D-23-1 |
42 | 1 2/3 | 1x9 | 3x10 | 1 | 1 | 0.43 | BS442-7D-23-2 |
42 | 1 2/3 | 1x9 | 3x9 | 1 | 1 | 0.43 | BS442-7D-23-3 |
34 | 1 1/3 | 2x7 | 4x7 | 1 | 1 | 0.29 | BS634-7D-22 |
33 | 1 2/7 | 2x7 | 5x7 | 2 | 1 | 0.26 | BS733-7D-22 |
35 | 1 3/8 | 2x7 | 5x8 | 1 | 1 | 0.33 | BS735-7D-22 |
36 | 1 3/7 | 2x7 | 5x8 | 1 | 1 | 0.37 | BS736-7D-23 |
38 | 1 1/2 | 2x7 | 5x8 | 1 | 1 | 0.38 | BS738-7D-23-1 |
38 | 1 1/2 | 2x7 | 5x9 | 2 | 1 | 0.38 | BS738-7D-23-2 |
40 | 1 4/7 | 2x7 | 5x9 | 1 | 1 | 0.4 | BS740-7D-23 |
42 | 1 2/3 | 2x8 | 5x9 | 1 | 1 | 0.43 | BS742-7D-23 |
32 | 1 1/4 | 2x7 | 5x7 | 1 | 1 | 0.3 | BL732-7D-22 |
33 | 1 2/7 | 2x7 | 5x7 | 1 | 1 | 0.31 | BL733-7D-22 |
35 | 1 3/8 | 2x7 | 5x8 | 1 | 1 | 0.36 | BL735-7D-22 |
38 | 1 1/2 | 2x7 | 5x9 | 1 | 1 | 0.41 | BL738-7D-22 |
41 | 1 5/8 | 2x7 | 5x9 | 1 | 1 | 0.42 | BL741-7D-23 |
