HSS step drills set OREN in set (3 pcs)

Set of 3 pcs with HSS step drills

Included diameters: 4-12 mm (at 1 mm intervals), 4-20 mm (at 2 mm intervals) + 4-30 mm (at 2 mm intervals)

Step drills are 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

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

Packed in: Plastic box

Note: while drilling, use threaded oil for lubrication