SERIES 431
Cutters are available in 78° – 82° – 90° – 100° – 110° – 120° Cobalt and carbide cutters are available upon request.
Back countersink cutters are designed with three and four flutes to give fast, free cutting. These cutters are made from high speed tool steel, precision ground with correct cutting angle and radial clearance. For use in restricted areas where conventional type countersinking cannot be accomplished. Special diameters and pilot hole size available by special order. Use with bayonet lock pilots series 185.