TIMCO M2 Grade HSS Countersink 20.5mm These engineering quality countersinks drill a precise recess to allow fastener head sit flush in alloy and non metals 1 pc

General description These engineering quality TIMCO 3 Flute Countersinks are designed to create 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: 20.5 mm