Multi-Purpose Drilling Tips

Drilling Instructions

Materials Directions RPMs
Materials: Concrete Slab
Concrete Block
Masonry and Brick
Directions: With or without percussion - if you run into rebar, continue drilling at high speed without percussion RPMs: 1,000
Materials: Granite / Stone Directions: With percusssion RPMs: 1,000
Materials: Marble Directions: Not necessary to punch or score - use moderate pressure - with or without percussion RPMs: 1,000
Materials: Ceramic Tile Directions: Not necessary to punch or score - moderate pressure - no percussion RPMs: 1,000
Materials: Porcelain Directions: Use ARTU's Porcelain Tile Bit RPMs:
Materials: Baked Ceramic Directions: Slow speeds - liquid coolant RPMs: 300-500
Materials: Glass/Crystal and Mirror Directions: Liquid coolant - slow speed - light pressure - manual hand drill recommended or slow speed on variable speed drill. More Info RPMs: 300-700
Materials: Hard Wood Directions: Hand drill or drill press RPMs: 800-1,500
Materials: Soft Wood Directions: Hand drill or drill press RPMs: 1,500
Materials: Plastic/Plexiglass Directions: Hand drill or drill press - light pressure RPMs: 300-500
Materials: Cast Metal Directions: Hand drill or drill press RPMs: 2,000
Materials: Hardened Steel Directions: Drill press only RPMs: 2,000
Materials: Grinding Wheel Directions: Use to sharpen drill bit RPMs: Full speed

Coolants: turpentine, light oil, water

Drilling Tips