Armeg SSH3PCSET Acceler8 3Piece Set 20/25/32MM Holesaws
 
Designed specifically for drilling sheet steel, Acceler8% is built for speed.
With drilling speeds of 3.4 seconds and 37% faster than a standard holesaw, Acceler8% is the fastest way to drill sheet steel.
Available in sizes ranging from 14 - 40mm, plus a 3 piece set and Twin-Packs
Impact rated shank for use within impact drivers
Flared body depth stop for improved safety and easy tool removal
0.6mm ‘slim line’ kerf provides reduced resistance for rapid drilling
HSS Cutting edge with 8% cobalt for extra durability
8 teeth per inch for unbelievable smoothness of cut
Internal ejection spring automatically ejects the metal disc for hassle free drilling 

Acceler8% can be used in:
Mild steel
Stainless steel
Aluminium 
        Up to 1.6mm thick
Perfect for users drilling:
Steel trunking
Cabinets
Enclosures
Panels
Steel cladding