
The Alpha Onsite+ Step Tip Step Drill is a stepped drill bit that bores holes from 4mm up to 20mm.
The cone of stepped cutting edges lets a single bit drill and enlarge a range of hole sizes in sheet metal and thin material, ideal for metalworking, fabrication and electrical work.
Alpha Onsite 4 20mm Step Tip Step Drill is a versatile drilling tool designed for efficient drilling in various materials, eliminating the need for pre-drilling.
This step drill features a unique patented step tip design that allows for quick and efficient drilling without the necessity of pre-drilling. Coated with AlTiN, it ensures longer sharpness and tool life while significantly reducing cutting heat and edge wear. The dual cutting edges enable drilling at three times the speed, producing burr-free holes up to 3.5mm. With a ¼" Quick-Change shank, it is compatible with cordless drills and impact drivers, making it ideal for onsite use across a wide range of materials including steel, stainless steel, wood, and plastic. For enhanced performance, the use of Alpha Liquid Gold Cutting Lubricant is recommended when drilling steel.
| Dimensions (W x H x D) | 55mm x 170.5mm x 21mm |
| Weight | Not specified |
| Material | High-speed steel with AlTiN coating |
| Colour | Not specified |
| Model Number | Not specified |
| Volume/Size | 4-20mm |
The Alpha Onsite 4 20mm Step Tip Step Drill is designed for efficient drilling in various materials.
From 4mm up to 20mm in steps.
Sheet metal and thin material such as steel, aluminium and plastic.


