SD05A, 1/8”~1-3/8” TiAIN Coated Double Flute M35 Cobalt Step Drill Bits Set, Tri-Flat Shank, 5PCS, for Metal, Stainless Steel, Aluminum, Copper, Wood, PVC
![](https://s3.amazonaws.com/imagecenter/SKU/10/101-93S-SD05A/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-SD05A/04.jpg)
X-Shape Design
The X-Shaped design offers improved chip evacuation, more efficient cutting, and a faster drilling process.
![](https://s3.amazonaws.com/imagecenter/SKU/10/101-93S-SD05A/06.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 1/4”-1-3/8" Bit
- 1x 3/16”-7/8" Bit
- 1x 1/4-3/4" Bit
- 1x 1/8-1/2" Bit
- 1x 3/16”-1/12" Bit