Features Superior Diamond Material: Crafted from top-quality diamond material, this hole opener offers exceptional hardness and wear resistance, ensuring long-lasting performance and durability. High Efficiency Drilling: Boasting an incisive head, this diamond hole saw enables fast drilling speed and efficient chip removal, enhancing productivity and saving time on your projects. Reduced Resistance Design: The larger cut-out design significantly minimizes resistance during hole opening, making drilling smoother and more effortless. Secure M14 Female Thread: Equipped with a standard M14 female thread, this hole opener can be easily installed on power tools, providing a secure and stable fit without the risk of falling off. Versatile Material Compatibility: Suitable for drilling granite, ceramic tiles, concrete, marble, and various other materials, making it a versatile and essential tool for a wide range of projects. Features: 1、[DIAMOND MATERIAL] The hole opener is made of excellent diamond material, with high hardness 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