Insize INSD4-12 4mm-12mm M2 HSS Straight Flute Step Drill Axle~Jack~Stands Suitable for middle and high

Suitable for middle and high speeds

25x135mm and M22x1

Precision ball and roller bearings for smooth movement

Grinding wheel size and grit: 200x20 mm (1) coarse #36 grit and medium #60 grit

Capacity - 16mm

Insize INSD4-12 4mm-12mm M2 HSS Straight Flute Step Drill Axle~Jack~Stands Suitable for middle and highInsize step drills have multipurpose use. These step drills are designed for drilling and deburring repetitive holes in Aluminium, Brass, Copper, Steel, Plastic, Plexiglas, laminates and many other thin materials. Insize step drills are used by sheet metal workers, auto mechanics, electricians and the serious handyman. Manufactured from premium quality high speed steel with a double fluted ground cutting edge. SPECIFICATIONS: Size: 4 12mm