Metal Bond Info


Materials used with metal bond tools

Aluminum Oxide Ceremets Silicon Carbide
Tile Beryllia Aluminus
Glass Products Porcelain Jet age materials
Certain Laminated Plastics    


When Drilling

    1. Always Drill with a Coolant:

            CORE DRILLS: use coolant lead and 30# pressure

            SOLID DRILLS: use submerged, pressure sensitive lead.

   2. Dressing:

            SOLID TYPE DRILLS: dress frequently to maintain freedom of cut and to minimize pressure buildup.

            CORE DRILLS: in the event that the core drill loads up, apply our aluminum oxide stick.

   3. Recommended Operating Speeds:

Diameter of Drill Operating Speeds
1/32" to 3/32" 7,000 to 10,000 RPM
3/32" to 1/2" 3,000 to 7,000 RPM
9/16" to 1" 1,500 to 3,000 RPM
1" to 2" 750 to 1,500 RPM
2" to 4" 350 to 900 RPM

** NOTE: Core Drills are engineered to minimize dressing **