Diamond core drill bit for hard concrete
1.Prefessional OEM premium grade
2.Fast drilling ,long life.
3.Steadily performance
Port: tianjin or Beijing
Minimum Order Quantity: 50 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Quarter
Payment Terms: T/T,Western Union
Contact SupplierPackaging Detail: 1,Carton and paper box 2, Upon request
Delivery Detail: within 10 days
Diamond core drill bit for hard concrete
Diamond core drill bit are designed to satisfying each customer's specific request. Ensure faster drilling and longer life. Especially, they bring high satisfactions in drilling hard materials. For drilling various ranges of materials; from heavily reinforced concrete to asphalt.
| 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 |