Overview Reviews Product Description HSS Staggered tooth design For cutting keyways and key seats in steel and other easy to machine ferrous materials Clarkson Osborn Catalog Product Videos Custom Field Diameter 25.5mm Material HSS Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 25.5mm HSS Threaded Shank Woodruff Key Cutter MC13255 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *