Concrete Slab
Concrete Block
Masonry and Brick

With or Without Percussion - if you run into rebar in the concrete continue drilling at a high speed without the hammer drill

1,000

Granite/Stone

With Percussion

1,000

Marble

Not necessary to punch or score - use moderate pressure - with or without percussion

1,000

Ceramic Tile

Not necessary to punch or score - must use sharp drill bit - moderate pressure - no percussion

1,000

Porcelain

Use Porcelain+Plus bit

500

Baked Ceramic

Must use sharp drill bit - slow speeds - liquid coolant

Glass/Crystal and Mirror

Liquid Coolant - slow speed - light pressure - manual hand drill recommended or slow speed on variable speed drill

Wood

Any speed - hand drill or drill press

Plastic

Any speed - hand drill or drill press

Cast Metals

Hand Drill or Drill Press

2,000

Hardened Steel

Drill Press Only

2,000

Grinding Wheel

Use to sharpen drill bit

800

Coolants

Turpentine, light oil, water