TIMco CS250 M2 Grade HSS Countersink 25.0mm 1 pc

ManoMano

General description These engineering quality TIMCO 3 Flute Countersinks are designed to drill a precise recess, allowing fastener heads to sit flush in various materials including alloy and non-alloy metals, timber, and man-made boards. Technical specifications Flute type: 3 Flute Material: HSS (High-Speed Steel) Diameter: 25.0 mm

Amazon

For countersinking existing holes in metal, plastic and wood. 90 degree head angle High quality M2 grade HSS steel 3 flat shank to prevent slipping in the chuck