1. For concrete, high can drill 18-20m, medium 12-18m, normal 10-15m.
2. Long drill from 200mm-700mm in total length.
3. Diameter from 8mm-800mm. Other sizes are available.
4. Connection: 1-1/4 UNC, 1/2 BSP or any other thread.
5. Used for hole drilling of reinforced concrete, marble, granite, asphalt, etc.
6. We can offer our clients good after-sale service and professional technical assistance.