Diamond drill bits speed chart

Recommended drill speeds (rpm) for DiamondSure diamond drill bits across material types and bit sizes.

Diamond drill bits speed chart
DiamondSure diamond drill bits Recommended drill speed (rpm)
Material 1/2″ 1″ 2″ 3″ 4″
Fiberglass 1200 700 350 250 175
Glass, Ceramic & China 800 500 250 160 125
Limestone & Marble Stone 600 450 225 130 100
Ceramic Wall Tile 600 450 225 130 100
Porcelain Wall Tile 500 375 180 125 90
Porcelain Floor Tile 500 375 180 125 90
Granite Stone 400 300 150 100 75