Complaint
1. High-quality material
High-hardness diamonds firmly attach the steel body by vacuum brazed technology. our diamond drill bit use high-quality artificial diamonds which are sharp, thickened and durable.
2. Wax inside for cooling
There is a special cooling wax inside, which can cool and lubricate the drill bit while drilling. easily drill holes without help and take less time in drilling.
3. Hex shank quick change
Hex shank fits quick-change and locks firmly, suitable for any electric drill, hand drill, bench drill, preventing bits from slipping, improving your working efficiency.
4. Accurate positioning
Not only multi-purpose drilling but also long-time drilling. our diamond core drill bits can make accurate positioning and complete drilling holes in short time.
