1″ X 5/16″ Taper Shank Counterbore HSS 3MT Taper Shank 3 Flute DEWCBRTS1INCH Best Seller
Original price was: $51.36.$26.71Current price is: $26.71.
Industrial counterboring tool designed for precision seating in metalworking environments. Its 3MT tapered shank and 3 flute geometry provide robust performance on milling centers and drill/mill configurations.
Specs
Dimensions: Cutting diameter 1″, Shank diameter 5/16″
Drive type: 3MT Taper Shank
Material grade: HSS (High Speed Steel)
Features
3 flute geometry enables efficient chip clearance and stable counterboring during metalworking operations on steel, aluminum, and alloys.
3MT taper shank provides secure mounting on compatible milling centers and drill/tap centers with repeatable runout control.
HSS construction offers heat and wear resistance for extended tool life in demanding production environments.
Designed for flush seating of fasteners in through holes, enabling precise, clean countersink depth and seating for socket cap and similar screws.





