Sutton HSS Step Drill 4 - 20mm

For use in sheet metal, aluminium, plastic and fibre glass, ideal for sheet metal without pre-drilling. During drilling, the next step deburrs the previously drilled hole.
Fixed Drilling Steps: Spiral Flute for reduced vibration and greater control through steps
Made from HSS: Constructed from M2 high speed steel offering the best combination of strength, heat and wear resistance
Flat Shank: Three flats suits 3-jaw chuck

TECHNICAL SPECIFICATIONS
TERM
DESCRIPTION
Shank
Flat
Range
4 - 20mm
Steps
9
Diameters
4, 6, 8, 10, 12, 14, 16, 18, 20mm
Mfr. No.
D50442009
Brand
Sutton Tools