Insize INSD4-32 4-32mm HSS M2 Straight Flute Step Drill Mallets Air inlet: 1/4'' NPT

Air inlet: 1/4'' NPT

allowing smooth rolling under load

Laser etched markings for easy identification

and transport equipment

Its robust design and non-marking tread make it perfect for applications requiring a combination of durability

Insize INSD4-32 4-32mm HSS M2 Straight Flute Step Drill Mallets Air inlet: 1/4'' NPTInsize 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 32mm