Insize INSTCS20 20.5mm 3 Flute HSS M2 Countersink Workshop~Tools Lacquer coated to resist rust

Lacquer coated to resist rust and corrosion

Acrylic windowed hinged lid with reinforced metal brace

Adjustable rubber covered support feet to protect vehicle paintwork

Supplied in a durable storage case for organisation and portability

and corrosion from a wide range of materials

Insize INSTCS20 20.5mm 3 Flute HSS M2 Countersink Workshop~Tools Lacquer coated to resist rustInsize Countersinks are made from 100% M42 Cobalt High Speed Steel. They are used for countersinking holes and deburring in a wide variety of materials, including ferrous and non ferrous metals. The triple, wide angled fluted design is self centering allowing the user to provide a heavy, 90 degree, chamfer to the entrance of a drilled hole. This chamfer may also be required to allow the correct seating of a countersink head screw or to provide the