This professional diamond core bit with a saw blade is high-frequency welded, providing a rapid and clean drill. 5/8"-11 universal thread is suitable for multiple machines, apply to concrete and brick.
- Efficient & Smooth Cutting
- Engineered For Exact Fitting
- Humanized Structure
- Simple Operation
- Friendly Note
- 1. The positioning drill inside shall be adjusted back and forth to find a suitable position before operation.
- 2. Diameter 1.5-2.0mm holes shall be drilled with electric hammer, and large diameter holes shall be drilled with drill (water drill).
- 3. It can only be used for concrete brick wall opening, not for stone granite.
Premium Diamond Material
The core bore drill is made of high-quality diamond and aluminum alloy. Selected diamond and high-frequency welding technology can ensure a longer working life.
5/8"-11 Universal Thread
5/8" universal thread is compatible with most types of machines. You can install the drill on a diverse rig.
Fast Chip Remover
These core drill bits are equipped with cooling chip remover for quick chip removal. As a result, reduce noise and improve working efficiency.
Stable Concentric Shaft
Three in one concentric shaft design can provide stable operation and fast drilling, more effective than an ordinary hole drill.
High-frequency Teeth Welding
The sawteeth of the concrete hole saw are high-frequency welded, toothed design is more sharp and wear-resistant.
Extensive Use
The diamond tip hole saw is designed for drilling hard concrete, masonry, hard brick, and other hard materials.
- 1× Diamond Core Drill Bit
- 1× Blade
- Model: KZ4-9.5
- Material: Diamond & Aluminum Alloy
- Bit Diameter: 4 in / 101 mm
- Useful Length: 9.5 in / 241 mm
- Total Length: 15.7 in / 400 mm
- Adaptor: 5/8in-11
- Item Weight: 10 lbs / 4.8 kg
Lander 
