Insize INSD4-20 4-20mm HSS M2 Straight Flute Step Drill Woodworking 8pt 3-3/8”(86mm)

8pt 3-3/8”(86mm)

paint and scale on thin or precious materials like aluminium

Knurled finger thimble ratchet stop adjustment

50-8 off road flat free tyre

Grip Chucks permit use on a wide range of high accuracy drilling machines

Insize INSD4-20 4-20mm HSS M2 Straight Flute Step Drill Woodworking 8pt 3-3/8”(86mm)Insize 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 20mm