Product Review

Poraxy Diamond Drill Bits:
Diamond Drill Bits, are also know as Diamond Core Drill Bits, Diamond Hole Saws or Bonded Diamond Drill Bits. They are often called Glass Drill or Tile Drill, but they are much more versatile since they are used to drill glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone, and fiberglass

Feature
Material:Steel
Size:4mm(1/6"), 5mm(1/5") ,6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(9/16"), 16mm(5/8"), 18mm(11/16"),20mm(3/4"),22mm(7/8"),25mm/(1"),26mm/1-1/32"),28mm(1-3/32"), 30mm(1-1/8"),35mm(1-1/3") ,40mm(1-1/2") 50mm(2")

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.

Warnings:
1.If you smell burning, back off! Either your speed is too high or the pressure you're applying is too much. You're drill bit should never be hot to the touch, not even warm.
2.Not for use on Concrete or for depths beyond about 1/2".
3.Water is required for lubrication when drilling.

Package Includes:
18pcs * Diamond Coated Drill Bit