101mm Diamond Core Drill Bit for Concrete & Masonry, 14" Length
Diamond Core Drill BitThis 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.
- 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.
- Long Useful Length: These core drill bits are equipped with 14-inch barrel depth for deeper hole drilling. As a result, improve working efficiency and expand the scope of application.
- 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.
- Model: KZ4-10
- Material: Diamond & Aluminum Alloy
- Bit Diameter: 4 in / 101 mm
- Useful Length: 14 in / 355 mm
- Total Length: 15 in / 400 mm
- Adaptor: 5/8in-11
- Item Weight: 11 lbs / 5 kg
- 1× Diamond Core Drill Bit
- 1× Blade
- Efficient & Smooth Drilling: This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits ensure longer coring life. Diameter: 4"/101mm, Useful length: 14”/355mm.
- Engineered For Exact Fitting: With 5/8"-11 Universal Thread, this core drill bit allows easy and fast assembling to a standard fixed core or hand-held drilling machine. It is also suitable for various devices.
- Humanized Structure: Our diamond wet coring bit features chip removal holes, highly regular sawteeth, and concentric axes design. The innovative design allows it high drilling performance while keeping a long lifetime.
- Simple Operation: The core drill can be used for both dry and wet to content your work needs. Start drilling at the vertical position and continue to dig deep. A little bit of water can prolong the service life.
- Versatile Uses: Our concrete core drill is designed for drilling concrete, red brick, marble, and other materials on conditions, such as installing air conditioners, pipes, stair railings, highways, and airports, etc.
We ensure all the items gets dispatched within 1-2 business days. More than 90% of the item gets delivered within 2-6 business days.
All of our new items comes with 1 year warranty.
If the product is faulty, it can be returned and we will help accordingly. Change of mind for some products may cost shipping fee to customer.
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and loss or damage.


