Small Rock Drill Bits Y1-34-722-76 Tapered Chisel Bit for Hole Drilling
Y1-34-722-76 specification:
- Diameter: 32mm
- Length: 67mm
- Tapered Degree: 6°
- Carbide Dimension: 12mm*8mm
- Water Holes: 2 on side
Applications:
It is widely used in drilling holes with a depth size less than 5 meters and diameter scope in 20-45 mm by light-duty hand hold drills, like Y6, Y10, Y24, major use in natural dimensional stone quarry for small hole drilling, block’s trimming and 2nd splitting for small blocks. To match Hexagonal 22 mm and Hexagonal 12 mm’s tapered drill steel with 4/6/7/11/12 degree.
Tapered chisel bits is suitable for mining of black metal mines(such as iron mine/ manganese ore), nonferrous metal mine(such as gold/silver/copper ore), marble and granite etc. Its drilling depth usually is 15m-18m in case of hardness grade F8-14. At present, we offer rock drill bits including Horse Shoe Bits and Chisel bits. Chisel is more popular in Saudi Arabia, and it’s suitable for hard rock drilling.
Rock Hardness Classification
| | | | | | | | | |
| Gabbro | | | | | —– | |
| Gniess | | | —— | | | |
| Granite | | | —— | | | |
| Limestone | | | —— | | | | |
| Marble | | | —— | | | | |
| Quartzite | | | | | —— | | |
| Sandstone | | | —— | | | | |
| Slate | | —— | | | | | |
| Shale | —— | | | | | | |
| Taconite | | | | | | | | |
| Mpa | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 |
| Grade | soft | Medium | Hard to Very | |
Following are the similar specifications of other tapered chisel bits:
| Code No. | Diameter (mm) | Length (mm) | Carbide Dimension | Code No. | Diameter (mm) | Length (mm) | Carbide Dimension |
| Y1-20-722-76 | 20 | 76 | 12*6 | Y2-33-722-76 | 33 | 76 | 12*8 |
| Y1-23-722-76 | 23 | 76 | 12*6 | Y2-34-722-76 | 34 | 76 | 12*8 |
| Y1-24-722-76 | 24 | 76 | 12*6 | Y2-35-722-76 | 35 | 76 | 14*8 |
| Y1-25-722-76 | 25 | 76 | 12*8 | Y2-36-722-76 | 36 | 76 | 14*8 |
| Y1-26-722-76 | 26 | 76 | 12*8 | Y2-38-722-76 | 38 | 76 | 14*9 |
| Y1-27-722-76 | 27 | 76 | 12*8 | Y2-40-722-76 | 40 | 76 | 14*9 |
| Y1-28-722-76 | 28 | 76 | 12*8 | Y2-41-722-76 | 41 | 76 | 14*10 |
| Y1-30-722-76 | 30 | 76 | 12*8 | Y2-42-722-76 | 42 | 76 | 14*10 |
| Y1-32-722-76 | 32 | 76 | 12*8 | Y2-45-722-76 | 45 | 76 | 15*10 |
| Y1-33-722-76 | 33 | 76 | 12*8 | Y3-20-722-76 | 20 | 76 | 12*6 |
| Y1-34-722-76 | 34 | 76 | 12*8 | Y3-23-722-76 | 23 | 76 | 12*6 |
| Y1-35-722-76 | 35 | 76 | 14*8 | Y3-24-722-76 | 24 | 76 | 12*6 |
| Y1-36-722-76 | 36 | 76 | 14*8 | Y3-25-722-76 | 25 | 76 | 12*8 |
| Y1-38-722-76 | 38 | 76 | 14*9 | Y3-26-722-76 | 26 | 76 | 12*8 |
| Y1-40-722-76 | 40 | 76 | 14*9 | Y3-27-722-76 | 27 | 76 | 12*8 |
| Y1-41-722-76 | 41 | 76 | 14*10 | Y3-28-722-76 | 28 | 76 | 12*8 |
| Y1-42-722-76 | 42 | 76 | 14*10 | Y3-30-722-76 | 30 | 76 | 12*8 |
| Y1-45-722-76 | 45 | 76 | 15*10 | Y3-32-722-76 | 32 | 76 | 12*8 |
| Y2-20-722-76 | 20 | 76 | 12*6 | Y3-33-722-76 | 33 | 76 | 12*8 |
| Y2-23-722-76 | 23 | 76 | 12*6 | Y3-34-722-76 | 34 | 76 | 12*8 |
| Y2-24-722-76 | 24 | 76 | 12*6 | Y3-35-722-76 | 35 | 76 | 14*8 |
| Y2-25-722-76 | 25 | 76 | 12*8 | Y3-36-722-76 | 36 | 76 | 14*8 |
| Y2-26-722-76 | 26 | 76 | 12*8 | Y3-38-722-76 | 38 | 76 | 14*9 |
| Y2-27-722-76 | 27 | 76 | 12*8 | Y3-40-722-76 | 40 | 76 | 14*9 |
| Y2-28-722-76 | 28 | 76 | 12*8 | Y3-41-722-76 | 41 | 76 | 14*10 |
| Y2-30-722-76 | 30 | 76 | 12*8 | Y3-42-722-76 | 42 | 76 | 14*10 |
| Y2-32-722-76 | 32 | 76 | 12*8 | Y3-45-722-76 | 45 | 76 | 15*10 |
Other specifications are available according to customers' requirements
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