Step drill OREN HSS 7-40.5 mm, (PG)

HSS step drills

Step drill is used for drilling cylindrical holes, which edges are at the same time knocked down by the next step.

Pre-drilling and punching are completely eliminated

Design:

• Drilling diameters are clearly marked on the individual steps
• The tools are axially and radially ground and can be re-ground
• The tip is with the split point - punching and pre-drilling is completely eliminated

Include diameters: 7-40,5 mm (PG - electrician dimencions) (7 - 10,5  - 15,5 - 18,5 - 23,5 - 30,5 - 34,5 - 38,5 - 40,5)

Used in: metal sheets, pipes, profiles, CrNi steel, non-ferrous metals, plexiglass, wood

Packed in: boxes for hanging

Note: while drilling, use threaded oil for lubrication