10 pcs Hole Opener Drilling Bits Set for Hand Driller

1. suitable for hand driller or bench driller

2. 10 bits/set . 

3. 10 bits size: φ6/10/12/20/25/30/35/40/45/50mm

4. Brazing process, dry and wet, sharp and no edge breakage.

5. Applies to: Marble/Artificial stone/Ceramic tile/Granite/Quartz/Vitrified tille

6. Not applicable to: Plastic/Wood/Metal/Tempered glass