Amazon has the Stop Now Diamond Drill Bits – 12 Pcs in $7.20 after Coupon Code “8WYR69UA” with FREE shipping for Amazon Prime or orders over $25.
Product Features:
- Remover Tools Hole Saws, core drill style bit
- 12 Sizes(Diameter): 4mm, 5mm, 6mm, 8mm, 10mm, 14mm, 16mm, 18mm, 22mm, 35mm, 40mm, 50mm.
- Application: Drill Glass, Tile Bottles, Blocks Jars, Fiberglass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone
- Attention: Please keep the speed in 800-1000 per minute, keep adding water to keep the drill cool, strictly prohibit from dry drilling
- WARRANTY: Please do not worry. If they have any quality problems, you could get 1-year Warranty and 60
- Days money back guarantee from us.