DRILLCO - 4285N NITRO 3PCS SET 1/2"-3/4" - 428N3S

Nitro Heavy-Duty Construction Reamers have a surface treatment, which adds a hard, protective layer to the reamer. This increases hardness without increasing brittleness. Body is black and gold surface treated for maximum lubricity. 3-flats reduced shank.
Made with premium grade HSS to last longer
High spiral flutes for extremely fast operations and chip evacuation
3- flats reduced shank for use in portable power tools
Tapered point for easy realignment of holes
Black and gold surface treatment for maximum lubricity
Safety collar on shank to prevent over penentration