1.concrete core bit for Reinforced concrete ,all kinds of stones .
2. Precise and aggressive drilling.
3. High cost-efficiency
Port: Tianjin
Minimum Order Quantity: 30 Piece/Pieces offer samples
Supply Ability: 10000 Piece/Pieces per Month even more
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: carton
Delivery Detail: normally within 25 days
concrete core drill bit is produced with Cobalt-agent-formula teeth and 45# steel ,with fast speed and long lifei. for drilling Reinforced concrete ,all kinds of stones
| Outer diameter | Core-Bit’s Length (mm) | Dimension of tooth (mm) | Number of teeth | ||
| mm | Length | Height | Thickness | ||
| 16 | 350/400 | 10 | 7.5 | 4.0 | 2 |
| 20 | 350/400 | 13 | 7.5 | 4.0 | 2 |
| 23 | 350 / 400 | 18 | 7.5 | 4.0 | 3 |
| 27 | 350 / 400 | 16 | 7.5 | 4.0 | 4 |
| 32 | 350 / 400 | 19 | 7.5 | 4.0 | 4 |
| 36 | 350 / 400 | 22 | 7.5 | 4.0 | 4 |
| 40 | 350 / 400 | 24 | 8 | 3.7 | 4 |
| 46 | 350 / 400 | 23 | 8 | 3.7 | 5 |
| 52 | 400 / 450 | 26 | 8 | 3.75 | 5 |
| 63 | 400 / 450 | 24 | 8 | 3.75 | 8 |
| 76 | 400 / 450 | 24 | 8 | 3.75 | 8 |
| 83 | 400 / 450 | 24 | 8.5 | 3.75 | 8 |
| 90 | 400 / 450 | 20 | 8.5 | 4.0 | 10 |
| 102 | 400 / 450 | 20 | 8.5 | 4.0 | 11 |
| 108 | 400 / 450 | 20 | 8.5 | 4.0 | 12 |
| 112 | 400 / 450 | 20 | 8.5 | 4.0 | 12 |
| 114 | 400 / 450 | 20 | 8.5 | 4.0 | 12 |
| 120 | 400 / 450 | 20 | 9 | 4.2 | 13 |
| 127 | 400 / 450 | 20 | 9 | 4.5 | 14 |
| 132 | 400 / 450 | 20 | 9 | 4.5 | 14 |
| 152 | 400 / 450 | 20 | 9 | 4.5 | 15 |
| 160 | 400 / 450 | 20 | 9 | 4.5 | 16 |
| 167 | 400 / 450 | 20 | 9 | 4.5 | 16 |
| 180 | 400 / 450 | 20 | 9 | 4.5 | 16 |
| 200 | 400 / 450 | 20 | 9 | 4.5 | 16 |
| 219 | 400 / 450 | 20 | 8.5 | 4.8 | 17 |
| 250 | 400 / 450 | 20 | 8.5 | 4.8 | 18 |
| 300 | 400 / 450 | 20 | 8.5 | 5.0 | 20 |
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2 3/8REG; 2 7/8REG;3 1/2REG ;4 1/2REG; 5 1/2REG;6 5/8REG;7 5/8REG; 7 5/8REG;8 5/8REG....
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