toolant Four Spiral Flute Cobalt Step Drill Bit(Pro), 3/16″ – 7/8″(12 Step Size) Impact Ready Unibit Step Drill Bit, 1/4″ Hex Shank Step Bit for Metal, Stainless Steel, Aluminum, Plastic-Fast Shipping

Description

FOUR SPIRAL FLUTE – Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!

TiAlN COATING – With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.

M35 COBALT HSS STEP DRILL – Prefect for 1/8″(3mm) thick Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.

12 STEP SIZES – Includes 3/16″,1/4″, 5/16″, 3/8″, 1/2″, 9/16″, 5/8″, 11/16″, 13/16″, 7/8″.

WARRANTY – If you are not fully satisfied for any reason, please contact us for 100% refund or replacement. If the hex shank snap off, please contact us for replacement.