SD03A, 1/8”-1/2” TiAIN Coated Step Drill Bit, 1/4" Hex Shank, Four Sprial Flute M35 Cobalt Step Drill Bits Set, 3PCS, for Metal, Stainless Steel, Aluminum, Copper, Wood, PVC
![](https://s3.amazonaws.com/imagecenter/SKU/10/101-93S-SD03A/08-970x600.jpg)
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118° split point design
The 118° split point design requires less pressure due to its self-centering feature, and it also prevents walking.
![](https://s3.amazonaws.com/imagecenter/SKU/10/101-93S-SD03A/04.jpg)
4x Faster
Compared to ordinary step drills, this cobalt step drill features a unique four spiral flute design. This design ensures a smoother cutting process.
![](https://s3.amazonaws.com/imagecenter/SKU/10/101-93S-SD03A/05.jpg)
TiAIN Coated
The surface of the step drill bit set is coated with a layer of TiAIN. This coating helps minimize wear on the drill bit during each drilling process.
What's in the box
- 1x 1/8”- 1/2” Bit
- 1x 1/4”- 3/4” Bit
- 1x 3/16”- 1/2” Bit