These drill bits are cutting tools used to remove material to create holes of circular cross-section.They come in many sizes and can create different kinds of holes in many different materials. Attached to a drill which powers them to cut through the workpiece by rotation.
Material: 45# steel+diamond
Size: 6-25mm (10types)
Method of Use:
1, Use in wet drilling or dry drilling.
2, To prolong its using life, better to use with water for cooling and lubrication.
3, The hole drill bit can be used with bench drill, hand electric drill.
4, When you using hand electric drill, start slowly at 45 degree angle and go vertical after you make an initial mark.
1 Set(10pcs) x Diamond Drill Bits
1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.