Milwaukee 9 Hole Metric Step Drill Bit - 4 20mm

Spot drill - Drill - Debur - All in one go.

Rapid Strike tip for improved centering, less walking and fast drilling without the need to punch or pre drill the material.

Special tip and step geometry for jam-free performance with less risk of drill snagging when used with high speed cordless tools and also prevents deformation of the drilled material.

Optimised 2 flute ground sharpened edge geometry for 2 x faster and smoother cutting.

Produced from custom engineered steel with black oxide coating for 4 x longer life. Optimised for use with high speed cordless drills.

Laser engraved size markings for best long term visibility, easch step is relief ground to drill and deburr automatically.

With 3 flat secure grip to prevent step drill from slipping in the chuck and ensure maximum transmission of torque.

Ideal for drilling into Ferrous & non-ferrous sheets metals, profiles and pipes. Copper, brass and aluminium. Stainless steel. Plastics with a maximum material thickness 4mm.

Specifications
Range: 4mm to 2mm in 2mm steps
No of steps: 9
Overall length: 65mm
Shank diameter:8mm