High precision stepped drilling with Facom
- Thirteen diameters in one: With step increments from 4 to 39 mm, you create various hole sizes without changing tools.
- Secure non slip grip: The shank with three flats prevents slipping in the chuck and ensures reliable torque transfer.
- Effortless self centering start: The cross ground point centers automatically so you can start drilling immediately without a pilot hole.
With the Facom 229A.ST2 step drill bit, you create precise holes in various sizes quickly and without swapping tools. Featuring thirteen steps from 4 to 39 mm, it lets you power through sheet metal and thin-walled materials with ease, making it ideal for cutouts in electrical switchboard panels or fabrication work. The self-centering split point tip bites immediately so you can start drilling without any pilot hole, delivering clean, burr-free edges every time. The 10 mm cylindrical shank with three flats prevents slippage in the drill chuck, giving you dependable torque transfer, reduced vibration, and full control over your work.
Product description
- Tapped drills
- For cylindrical and precise drilling in all materials.
- No pre-drilling required.
- Cross-grinding: self-centring.
- More powerful cutting edge: user needs to apply less force, no burrs.
- HSS steel
- Better drainage of drill chips.
- Less vibration, quieter.
- Cylindrical shank with 3 bumping edges, for good drive preventing micro-blocking.
- Laser marking of the different diameters in a groove.
- 678006: Especially for ISO threads.
- 678014: Especially for PG threads.