1pcs 370mm M22 Concrete Core Drill Bit Dry Wet Hammer Perforator Drilling Hole Opener 32/38/40/44/51/56/63/76/83mm Features: *Sturdy Material:Our concrete core drill bit is made of top-notch alloy and features high-quality emery grits, a longer service life and exceptional durability. *Quick and Easy Mounting:This drill bit allows for effortless mounting on a standard manual or fixed-core drilling machine. It seamlessly integrates with most concrete core drilling devices, providing convenience and versatility. *Dry and Wet Drilling Capability:Designed to meet diverse work needs, our drill bit can be used for both dry and wet drilling. Whether you start drilling in the upright position or dig deeply, you'll achieve a perfect hole in seconds. *Versatile Applications:Perfect for drilling through hard concrete, masonry, hard brick, and other challenging materials. It is widely utilized in the installation of air conditioners, pipes, stair railings, highways, airports, and various other situations. *Superior Performance:With its exceptional strength and reliability, our concrete core drill bit delivers consistent and for remarkable performance. It ensures efficient drilling and achieves precise results every time. Specifications: *Product Name:Hole Opener *Material:Alloy+Emery *Size:Approx.32mm,38mm,40mm,44mm,51mm,56mm,63mm,76mm,83mm *Thread:M22 *Total length:About 370 mm *Color:blue *Applications:For drillingred brick wall, hollow brick wall, tile wall, high-grade cement, marble, cobblestone and more Package Content: 1 *Hole Opener Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_