Mining Roof Bits
Towanda Metadyne, Inc. manufactures coal mining roof bits to an in-house standard nomenclature. A part number made from the physical details of the roof bit is developed as follows:
Length (in inches) x Height (in inches) x Thickness (in inches) x Special Comment
Example: A roof bit with a length of 1.000", height of .400" and a thickness of .180" would be defined as: 1000 x 400 x 180 (see sketch).
- Wide Angle
- Wide Angle Flat
- DS (Double-sided Angle)
- The above standard is a general classification of the part's physical configuration.
- To request pricing and availability, please supply a part print or detailed physical dimensions and required tolerances.
- See Towanda Grade listing for available grades of Tungsten Carbide. Special grades available upon request.