3 Pc Hss Step Drill Bits Set Spiral Flute Metric

APPLICATION:
Grip step drills have multipurpose use. Designed for drilling and deburring repetitive holes in aluminium, brass, and copper, steel, plastic, plexiglass, laminates and many other thin materials. Used by sheet metal workers, auto mechanics, electricians and serious home handyman.
FEATURES:
Manufactured from fully polished drop forged high speed steel, heat treated for durability
Precision ground round shanks in 6, 8 and 10mm diameters
Single spiral flute design for fast, efficient stock removal
Size depth graduations marked in flutes
Quality pressed metal storage case included
SPECIFICATIONS:
Drill sizes: 2 - 12mm (2mm increments); 4 - 20mm(2mm increments); 4 - 30mm(2mm increments)
Shank sizes: 6mm (round), 8mm (round), 10mm (round)
Weight(nett): 450g