Description
Overview:
The Addax HSS Cobalt Jobber Drill is a robust metalworking bit designed for consistent results in tough materials. Made from cobalt-alloy high-speed steel, it delivers strong heat resistance and wear life during high-speed drilling. With a 4.8mm diameter and 86mm overall length, it follows DIN 338 jobber-length specifications and features a straight shank for use in standard 3‐jaw chucks. Suitable for corded and cordless drills, drill presses, and pillar drills, it is well suited to site work and workshop use. The roll forged construction supports durability and concentricity for accurate holes in demanding environments. Ideal for stainless steel and chrome‐nickel alloys, it also performs well in mild steel and cast iron. Manufacturer Part Number (MPN): 902 0621.
Key Features:
- 4.8mm diameter, 86mm overall length to DIN 338 jobber specifications
- HSS cobalt alloy for superior heat resistance and tool life in hard metals
- Roll forged design for strength and dependable durability
- Straight cylindrical shank fits standard 3‐jaw chucks in hand and bench drills
- Suitable for stainless steel, Cr‐Ni alloys, mild steel, and cast iron
- Optimised for high-speed drilling while maintaining cutting edge performance
- Consistent hole sizing and reliable concentricity for neat, accurate results
- Right‐hand spiral flutes assist chip evacuation to reduce binding
- Works well for repetitive drilling in fabrication and maintenance tasks
- Made by Addax for professional and heavy‐duty DIY use
Typical Applications:
Everyday metal fabrication and installation work, including drilling pilot and clearance holes in stainless steel sheet, box section, angle, and plate. Useful for brackets, guards, enclosures, cable trays, machine parts, fixings, and general maintenance. Suitable for workshop production, site fitting, HVAC and electrical containment, vehicle repair, and plant upkeep where reliable performance in harder alloys is required.
Also known as:
HSS‐Co jobber drill, cobalt alloy twist drill, jobber‐length metal drill, metric cobalt drill bit, engineering drill bit, 4.8mm twist drill, HSS cobalt metal drill, cobalt HSS jobber, metric jobber‐length drill, HSS‐Co metalworking bit.
Product Specifications
| L&S Part No. | 902 0621 |
|---|---|
| Manufacturer | Addax |
| Unit of Sale | 1 Piece |
| Machine Type | Drills |
| Key Features | - 4.8mm diameter, 86mm length to DIN 338 standards - HSS cobalt alloy for heat resistance in hard metals - Straight shank fits standard 3‐jaw chucks - Suitable for stainless steel, Cr‐Ni alloys, mild steel - Roll forged for strength and durability |

