Hole Opener Sintered Diamond Hole Saw Drill Bit for Marble Granite Stone M14 Female Thread6mm

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.