34mm 7button 11 degree tungsten carbide small hole drilling taper button bit
Taper button bit
Tapered button bit was from high quality cemented carbide, produced with advanced technology and equipment, having different types bits, such as tapered chisel bit, tapered cross bit and tapered button bit which connected with Tapered Drill Rod well for drilling hole, inserting depth is 25-30mm, obtaining maximum drilling speed, keeping stable and lowering rock drill working parameters so that prevent single button under overload then cause the button broken or lost.
Small hole tapered drill bit are the most popular tapered drill bits with a wide selection of head diameters from 28mm to 40mm. With carbide buttons hot pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity.
Diameter |
Button Number
|
Angle |
Length
|
Weight
|
Package
|
|
mm |
inch |
(pieces) |
(°) |
(mm) |
(kg) |
box |
28 |
1 1/8 '' |
4 |
7°/11°/12° |
65-69 |
0.20 |
50pcs/box |
30 |
1 3/16 '' |
4~6 |
7°/11°/12° |
65-69 |
0.20~0.30 |
50pcs/box |
32 |
1 1/4 '' |
4~7 |
7°/11°/12° |
65-69 |
0.20~0.30 |
50pcs/box |
34 |
1 11/32 '' |
4~8 |
7°/11°/12° |
65-69 |
0.22~0.30 |
50pcs/box |
35 |
1 3/8 '' |
7~8 |
7°/11°/12° |
65-69 |
0.22~0.40 |
50pcs/box |
36 |
1 13/32 '' |
4~8 |
7°/11°/12° |
65-69 |
0.30~0.40 |
50pcs/box |
38 |
1 1/2 '' |
4~8 |
7°/11°/12° |
65-69 |
0.30~0.40 |
50pcs/box |
40 |
1 9/16 '' |
4~8 |
7°/11°/12° |
65-69 |
0.30~0.42 |
50pcs/box |
The features
1. Raw material: alloy steel and tungsten carbides by heat forging treatment
2. Buttons/tipe & size : 4,5,6,7,8;0711/0710mm
3. Skirt length: 50-55mm, 60-70mm.
4. Angle: 7 /11/12 degree.
5. Package: wooden case or plastic box with 50 pieces or 100 pieces.
6. Design: We can design according to customers' requirement and drawing, including buttons number, button type, and flushing holes.