Features Premium Diamond Material: Crafted from high-quality diamond, this hole opener ensures exceptional hardness and wear resistance for long-lasting performance Fast Drilling Efficiency: Features an incisive head design that allows for rapid drilling speeds and efficient chip removal, saving you time on your projects Enhanced Cutting Performance: The larger cut-out design significantly reduces resistance, making it easier to achieve clean and precise holes in various materials Secure M14 Female Thread: Designed with a standard M14 female thread for easy installation on power tools, ensuring a secure fit and preventing any slips during use Versatile Application: Ideal for drilling through granite, ceramic tiles, concrete, marble, and other hard materials, making it a must-have for professionals and DIY enthusiasts alike Features: 1、[DIAMOND MATERIAL] The hole opener is made of excellent diamond material, with high hardn and wear resistance. 2、[HIGH EFFICIENCY] The diamond hole saw has incisive head, with fast drilling speed and fast chip removal. 3、[LOW RESISTANCE] The cut out design is larger, which greatly reduces the resistance when opening the hole. 4、[M14 FEMALE THREAD] With standard M14 female thread, it can be easily installed on power tools without falling off. 5、[APPLICABLE MATERIALS] Suitable for drilling granite, ceramic tiles, concrete, marble and other materials. Specification: Item Type: Hole Opener Material: Diamond Color: Blue Total Length: Approx. 68mm / 2.7in Female Thread: M14 Scope Of Application: For drilling marble, granite and other stones Package List: 1 x Hole Opener Package List 1 x Hole Opener