15 Different Sizes: 15 different drill bits included with this glass drill bit set: 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 25 / 26 / 28 / 30 / 40 / 50mm.

10 Different Sizes: 10 different drill bits included with this glass drill
bit set: 3 / 4 / 5 / 6 / 8 / 10 / 12 / 18 / 32 / 50mm.

High Quality Steel & Diamond Power: High quality carbon steel, the drill bit is electroplated from high-quality diamond powder. Multi-layer sanding process to ensure superior performance and cutting strength.

Multi-purpose & Wide Application: Perfect for cleanly cut glass, ceramics, fiber glass, porcelain, tile bottles, ceramic tile, porcelain tile, limestone, ceramic, blocks jars, slate mable, granite, light stone etc. PLEASE note that you must keep your drill bit wet as the friction of the bits and materials build up heat quickly.

Extraordinary Sharp: The notch resistance is small, making the opening speed faster. And the hole is neat, smooth, no broken edges.


Specifications:
Model:3mm/4mm/5mm/6mm/8mm/10mm/12mm/14mm/16mm/18mm/20mm/22mm/25mm/26mm/28mm/30mm/40mm/50mm (As the picture shows)
Color:Silver
Material: Steel
15PCS Net Weight: 325g; 10PCS Net Weight: 125g
Size: 12*10*5 (cm)
Usage: suitable for drilling holes in glass, ceramics, floor tiles, marble, etc.
6mm outside diameter can drill 35mm depth
8mm outside diameter can drill 30mm depth
10mm outside diameter can drill 30mm depth
12mm outside diameter can drill 30mm depth
14mm outside diameter can drill 30mm depth
16mm outside diameter can drill 30mm depth
18mm outside diameter can drill 30mm depth
20mm outside diameter can drill 30mm depth
22mm outside diameter can drill 30mm depth
25mm outside diameter can drill 30mm depth
26mm outside diameter can drill 30mm depth
28mm outside diameter can drill 30mm depth
30mm outside diameter can drill 30mm depth
40mm outside diameter can drill 30mm depth
50mm outside diameter can drill 30mm depth


Package included:
15 Pcs Diamond tool drill bit hole saw set
or (Depends on your choice)
10 Pcs Diamond tool drill bit hole saw set

Use note:
1. Start your hole diagonally, make a round trace and then hold drill straight.
2. Always use lubrication (water), otherwise the diamond core drill will burn.

Operation Skills:
1. Install the product on a professional drill or hand drill
2. Make a mark on the hole before cutting and keep wet surface with water for lubrication when drilling
3. Then hold drill vertical once the hole has started; when exit hole or drill from the other side pls reduce slowest drill speeds and minimum pressure to prevent breakthrough.