Product Name: Chamfer for Hexagonal Drill
Material: Cobalt High Speed Steel (HSS-Co/M35)
Surface Treatment: AlTiN Titanium Nitride Aluminum Coating
Hardness: HRC89Shaft Diameter: 1/4" hex shank (0.25 inches) (6.35 mm)
Chamfering angle: 90°
Chamfering Range: 0.2 - 0.4 inches (5 - 10 mm)
Uses: For cutting holes in stainless steel, iron, non-ferrous metals, etc.Can also be used on wood and acrylic plates.