1 Pcs, 14 Inch to 138 Inch Step Drill Bit

Step drill bit made of industrial high-speed steel have excellent durability and high-speed punch. Titanium coating improves the step drill bit sharpness and reduces the heat generated by friction to easily cut metal sheets.
Step drill bits for metal compatible with 10 Sizes: 1/4 inch , 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 1 inch, 1-1/8 inch, 1- 1/4 inch, 1-3/8 inch. Meet your different needs, greatly save you the trouble of choosing different step drill bit.
The 118° split-point tip design of the step drill bit increases the cutting speed while preventing off-center line when drilling. 3 Flat design for increased safety and stability, the step drill bit can be better fixed to the to prevent falling off and slipping during the rotation.
Step drill bit grooves provide a smoother cut that removes burr chips, dust and chips for faster chip evacuation, while helping to prevent chips from flying, allowing for smoother drilling without heating.
Drill a small (about 1/8 inch) pilot hole before using the step drill bit, it can drill up to 0.2 inch thickness of stainless steel and iron, plastic, wood, fiberglass and other sheet metal.

Material: High speed steel + stainless steel
colour: gold

Package Contents:
1 x step bits for metal

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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