Made of hard metal and Diam with corrosion resistance and durable.
The diamond hole saw was processed by a smooth and exact finish that lower resisting force to the minimum, increase the sharpness to drill precise holes in seconds.
Diamond drill bits start the hole diagonally, make a round braid and then hold drill straight. Water is required for lubrication when drilling.
Widely use of drilling glass, tile bottle, ceramic tile, brick, stone, granite and so on.
Timely customer service can help solve all the customer complaints.
Specification:
10 pcs/set: 6mm/0.24inch, 8mm/0.31inch, 10mm/0.39inch, 12mm/0.47inch, 14mm/0.55inch,16mm/0.63inch,18mm/0.71inch,20mm/0.79inch, 22mm/0.87inch,30mm/1.18inch
What's in the box
1 x Diamond Hole Saw Drill Bit Tool 6-30mm Glass Marble (10Pcs)