100mm Carbide Core Drill Bit for Brick Concrete Cement Masonry Work Professional Construction Tool

100mm Carbide Core Drill Bit for Brick Concrete Cement Masonry Work Professional Construction Tool Description

Description: Made of high quality metal material carbide. Suitable F: brick, concrete walls, air conditioning openings. Rounds alloy combinations, each to bear part of the wkload, not prone to chipping off the edge High-frequency welding technology, welding openings is very strong, smooth inside outside welding mouth. Precision engage, appearance. Specification: Material: Carbide Col: Silver Size: Approx. 40mm or 1.57inch; 45mm or 1.77inch; 50mm or 1.97inch; 55mm or 2.17inch; 60mm or 2.36inch; 68mm or 2.68inch; 70mm or 2.76inch; 75mm or 2.95inch; 80mm or 3.15inch; 85mm or 3.35inch; 90mm or 3.54inch; 95mm or 3.74inch; 100mm or 3.94inch Interface Threads: Approx. 22mm or 0.87inch Package Includes: 1 piece Wall Note: Pls allow an err of 1-3mm due to the difference of manual measurement.