Diameter 34mm 36mm 38mm Small Hole Drill Bit Tapered Button Drill Bit
We manufactuer various tapered rock drill bits in different degrees as below:
Bit diameter: 32mm ~ 48mm;
Tapered degree: 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Buttons configuration: 4 buttons, 5 buttons, 6 buttons, 7 buttons, 8 buttons, 9 buttons;
12° Button bit, Short skirt - Tapered button drill bit - Rock Drilling Tools
Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Part Number | ||||
mm | inch | Front | Gauge | Angle | Front | Side | kg | |
28 | 1 1/9 | 1x7 | 3x7 | 20° | 1 | 1 | 0.2 | 4148300255 |
28 | 1 1/9 | 1x7 | 4x7 | 35° | 1 | 1 | 0.2 | 4148300256 |
29 | 1 1/7 | 1x7 | 3x7 | 40° | 1 | 1 | 0.21 | 4148300257 |
30 | 1 1/6 | 1x7 | 3x7 | 40° | 1 | 1 | 0.22 | 4148300258 |
30 | 1 1/6 | 1x7 | 4x7 | 35° | 1 | 1 | 0.22 | 4148300259 |
30 | 1 1/6 | 2x7 | 4x7 | 30° | 1 | 1 | 0.22 | 4148300260 |
32 | 1 1/4 | 2x7 | 5x7 | 40° | 2 | 1 | 0.24 | 4148300261 |
33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.25 | 4148300262 |
34 | 1 1/3 | 2x7 | 5x8 | 35° | 1 | 1 | 0.29 | 4148300263 |
35 | 1 3/8 | 2x7 | 4x7 | 35° | 1 | 1 | 0.33 | 4148300264 |
35 | 1 3/8 | 2x7 | 5x8 | 35° | 2 | 1 | 0.33 | 4148300265 |
35 | 1 3/8 | 2x7 | 5x9 | 35° | 1 | 1 | 0.33 | 4148300266 |
36 | 1 3/7 | 2x7 | 5x9 | 35° | 1 | 1 | 0.37 | 4148300267 |
37 | 1 1/2 | 2x7 | 5x9 | 40° | 1 | 1 | 0.38 | 4148300268 |
38 | 1 1/2 | 1x9 | 5x9 | 40° | 1 | 1 | 0.4 | 4148300269 |
38 | 1 1/2 | 2x7 | 5x9 | 35° | 1 | 1 | 0.4 | 4148300270 |
Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Part Number | ||||
mm | inch | Front | Gauge | Angle | Front | Side | kg | |
28 | 1 1/9 | 1x7 | 3x7 | 20° | 1 | 1 | 0.2 | 4148300255 |
28 | 1 1/9 | 1x7 | 4x7 | 35° | 1 | 1 | 0.2 | 4148300256 |
29 | 1 1/7 | 1x7 | 3x7 | 40° | 1 | 1 | 0.21 | 4148300257 |
30 | 1 1/6 | 1x7 | 3x7 | 40° | 1 | 1 | 0.22 | 4148300258 |
30 | 1 1/6 | 1x7 | 4x7 | 35° | 1 | 1 | 0.22 | 4148300259 |
30 | 1 1/6 | 2x7 | 4x7 | 30° | 1 | 1 | 0.22 | 4148300260 |
32 | 1 1/4 | 2x7 | 5x7 | 40° | 2 | 1 | 0.24 | 4148300261 |
33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.25 | 4148300262 |
34 | 1 1/3 | 2x7 | 5x8 | 35° | 1 | 1 | 0.29 | 4148300263 |
35 | 1 3/8 | 2x7 | 4x7 | 35° | 1 | 1 | 0.33 | 4148300264 |
35 | 1 3/8 | 2x7 | 5x8 | 35° | 2 | 1 | 0.33 | 4148300265 |
35 | 1 3/8 | 2x7 | 5x9 | 35° | 1 | 1 | 0.33 | 4148300266 |
36 | 1 3/7 | 2x7 | 5x9 | 35° | 1 | 1 | 0.37 | 4148300267 |
37 | 1 1/2 | 2x7 | 5x9 | 40° | 1 | 1 | 0.38 | 4148300268 |
38 | 1 1/2 | 1x9 | 5x9 | 40° | 1 | 1 | 0.4 | 4148300269 |
38 | 1 1/2 | 2x7 | 5x9 | 35° | 1 | 1 | 0.4 | 4148300270 |