1.Core drill bits
2.Used for marble,granite,re-inforce concrete,steel,concrete..etc
3.Factory
4.ISO9001
Port: Xiamen, China
Minimum Order Quantity: 5 Piece/Pieces
Supply Ability: 6000 Piece/Pieces per Quarter
Payment Terms: T/T,Western Union
Contact SupplierPackaging Detail: wooden box
Delivery Detail: 3-5days
Specs : diameter from 4mm to 250mm, shank length from 40mm to 250mm.
Advantage: Drilling stably, fast speed, not breaking the border, not falling off the segments and long life.
Sintered Diamond Core Drill Bits
| Diameter (mm) | Segment Size (mm) | Shank length (mm) |
| 4 | 4*11 | 40~150 |
| 6 | 6*11 | 40~150 |
| 7 | 7*11 | 40~150 |
| 8 | 8*11 | 40~150 |
| 10 | 10*11 | 40~150 |
| 12 | 12*11 | 40~150 |
| 15 | 15*11 | 40~150 |
| 20 | 20*11 /20*7*2.5 | 40~150 |
| 25 | 25*7*2.5 | 40~150 |
| 30 | 30*7*2.5 | 40~150 |
| 35 | 35*7*3.0 | 40~150 |
| 40 | 40*7*3.0 | 40~150 |
| 45 | 45*7*3.0 | 40~150 |
| 50 | 50*7*3.0 | 40~150 |
| 55 | 55*7*3.0 | 40~150 |
| 60 | 60*7*3.0 | 40~150 |
Welding Core Drill Bits
| Diameter (mm) | Segment Size (mm) | Shank length (mm) |
| 25 | 10*10*3 | 40~150 |
| 30 | 10*10*3 | 40~150 |
| 35 | 10*10*3 | 40~150 |
| 40 | 10*10*3 | 40~150 |
| 45 | 10*10*3 | 40~150 |
| 50 | 10*10*3 | 40~150 |
| 55 | 10*10*3 | 40~150 |
| 60 | 10*10*3 | 40~150 |
| 65 | 15*10*3 | 40~150 |
| 70 | 15*10*3 | 40~150 |
| 80 | 15*10*3 | 40~150 |
| 90 | 15*10*3 | 40~150 |
| 100 | 15*10*3 | 80~250 |
| 120 | 15*10*3 | 80~250 |
| 150 | 20*10*3.5 | 80~250 |
| 175 | 20*10*3.5 | 80~250 |
| 200 | 20*10*3.5 | 80~250 |
| 230 | 20*10*3.5 | 80~250 |
| 250 | 20*10*3.5 | 80~250 |