Diamond Core Drill Bit. Long Useful Length & Common Thread & An Extra Blade. 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. Tough Equipment & Tools, Pay Less. VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. 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 to meet your working needs. 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. Three in one concentric shaft design can provide stable operation and fast drilling, more effective than an ordinary hole drill. The sawteeth of the concrete hole saw are high-frequency welded, toothed design is more sharp and wear-resistant. The diamond tip hole saw is designed for drilling hard concrete, masonry, hard brick, and other hard materials. Material: Diamond & Aluminum Alloy. Bit Diameter: 10 in / 254 mm. Useful Length: 14 in / 355 mm. Total Length: 15.7 in / 400 mm. Item Weight: 26 lbs / 11.7 kg. 1 x Diamond Core Drill Bit. Efficient & Smooth Drilling: This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits. Diameter: 10″/254mm, 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 believe that it is our vision and mission to provide innovative products with best service and competitive price to satisfy you. Our goal is to make sure that you can find exactly what you are looking for and make it easy for you to place your orders. If you have any changes, pls inform us. 7:00am-13:00pm (Berlin Time). In the same day. International Buyers – Please Note. If you need to return, please check twice to confirm the item not work and contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation. Please make sure that item has NO man-made sabotage. Used items will not be accepted for return. All emails will be responded to within 12-24hours. Special circumstances will be listed clearly in the listing. Please do check everything carefully after you received the parcel, any the damage except DOA (Dead-On-Arrival) would not be covered if it’s your fault. If you have any changes, pls inform us 7:00am-13:00pm (Berlin Time) in the same day.