
The Alpha Onsite+ 4-12mm step tip step drill is a single bit that cuts a range of hole sizes from 4mm up to 12mm. Its patented step-tip design starts the hole without pre-drilling, so you can drive straight in and step up to the diameter you need with clean, burr-free results.
A practical bit for sparkies, fabricators and DIYers drilling sheet steel and plastic. As an Alpha Onsite+ step tip step cutter in the 4-12mm range, one bit covers several common hole sizes, saving bit changes on the job, and the step-tip start does away with a separate pilot hole.
The Alpha Onsite+ 4-12mm Step Tip Step Drill is designed for efficient drilling without the need for pre-drilling, suitable for a range of materials. The patented step tip design eliminates the need for pre-drilling, making it ideal for onsite applications. The dual cutting edges help produce burr-free holes, and a single step drill covers several hole sizes.
It cuts holes from 4mm up to 12mm.
No, the patented step tip removes the need for pre-drilling.
It is suited to materials such as steel and plastic.
Yes, this Alpha Onsite+ step tip step drill is also referred to as a step cutter.
It is designed to produce clean, burr-free holes.


