Set of 15 diamond drill bits and hole saws for marble, ceramic, and glass. Length 650mm, diameters from 6 to 50mm.

Features: 1. The nickel-plated diamond dust-proof coating offers excellent performance and cutting resistance. 2. Operation is simple and requires only water lubrication, providing you with greater convenience. 3. Holes are cut cleanly, with no edge bending, no wobbling, low cutting resistance, fast drilling speed, and easy chip removal. 4. Has wide applicability, very suitable for glass-ceramic, marble, granite, etc. 5. High-quality steel and diamond dust-proof coating, hard, durable, good working performance, and long service life. Specifications: Condition: 100% Brand New Item Type: Diamond Drill Bit Material: Steel + Diamond Dust-Proof Coating Color: As shown in the picture Size: Approx. 6 mm/0.2 in, 8 mm/0.3 in, 10 mm/0.4 in, 12 mm/0.5 in, 14 mm/0.6 in, 16 mm/0.63 in, 18 mm/0.7 in, 20 mm/0.8 in, 22 mm/0.9 in, 25 mm/1 in, 26 mm/1.02 in, 28 mm/1.1 in, 30 mm/1.2 in, 40 mm/1.6 in, 50 mm/2 in. Package List: 1 x 6 mm/0.2 in diamond drill bit, 1 x 8 mm/0.3 in diamond drill bit, 1 x 10 mm/0.4 in diamond drill bit, 1 x 12 mm/0.5 in diamond drill bit, 1 x 14 mm/0.6 in diamond drill bit, 1 x 16 mm/0.63 in diamond drill bit 18 mm/0.7 in1 x 20 mm/0.8 in diamond drill bit1 x 22 mm/0.9 in diamond drill bit1 x 25 mm diamond drill bit /1 in diamond drill bit1 x 26 mm/1.02 in diamond drill bit1 x 28 mm/1.1 in diamond drill bit1 x 30 mm/1.2 in diamond drill bit Diamond drill bit1 x 40 diamond drill bit mm/1.6 in1 diamond drill bit 50 mm/2 in