Features Fast Drilling Speed: Achieve efficient drilling with the diamond hole saw's fast drilling speed, resulting in round holes without gaps, ensuring precision and smoothness in your drilling projects. High-Quality Diamond Material: Benefit from sharpness and durability with the high-quality diamond material blade, ensuring long-lasting performance and reliability for your drilling needs. Oval Chip Drain Hole Design: Experience efficient chip discharge and minimal cutting resistance with the unique oval chip drain hole design, enhancing productivity and ease of use during drilling tasks. Versatile Compatibility: Enjoy the flexibility to use the diamond brazing drill bit with various equipment such as electric hand drills and bench drills, making it suitable for a wide range of drilling applications. Stable Structure and Performance: Rely on the stable structure and excellent performance of the M14 40mm diamond hole saw, providing practical and convenient drilling solutions for your hardware tools collection. Features: 1、Diamond drilling bit come with fast drilling speed, round hole without gap 2、Using diamond material blade, which is of sharpness and 3、Oval chip drain hole designs, more conducive to chip discharge, efficient and bring small cutting resistance 4、Can be used for a variety of equipment such as electric hand drills and bench drills 5、The product come with stable structure and excellent performance, practical and convenient Specification: Item Type: Diamond Hole Saw Material: Diamond Process: Brazing Hole Diameter: Approx. 40mm / 1.6in Handle Diameter: Approx. 16mm / 0.6in Color: Golden Applicable Equipment: Electric hand drill, bench drill Package List: 1 x Diamond Hole Saw Package List 1 x Diamond Hole Saw