6Pcs Diamond Hole Saws Set 20/25/40/45/50/68mm M14 Carborundum Ceramics M14 Thread Drill Core

Micro Drill BitsApplication6-piece professional diamond drill bits set for granite, fine stoneware, tiles, etc (M14).Great for installing and repairing wire pipeline, signal lamp and instrument in metallurgy, petrol, electronics, electrical appliance,chemical industry, ship & machinery and many moreSpecificationsDrill Bits Diameter (mm): 20/25/40/45/50/68 mmDrill Bits Diameter (Inch): 0.79/1/1.6/1.8/2/2.7 inchCarborundum Height: 15 mmTotal Length of Each Drilling Bit: 60 mm (2.3")Mounting Thread: M14Gross Weight: 3.3 lb (1.5 kg)Package Dimensions (L x W x H): 7.9" x 6.7" x 3.9" (20 x 17 x 10 cm)Package Content1 X Tool Box1 X Diamond Drill Bit 20 mm (0.79")1 X Diamond Drill Bit 25 mm (1")1 X Diamond Drill Bit 40 mm (1.6")1 X Diamond Drill Bit 45 mm (1.8")1 X Diamond Drill Bit 50 mm (2")1 X Diamond Drill Bit 68 mm (2.7")

• Micro Drill Bits