Description
Overview:
The Timco 25 Piece HSS Cobalt Jobber Drill Set (MPN HSSCO25DS) is a robust, metric drill bit assortment for dependable drilling in tough metals. Each bit is made from high-speed steel alloyed with cobalt and roll forged for strength and heat resistance. The set covers 1.0 mm to 13.0 mm in 0.5 mm increments, giving you the most-used sizes for metalworking and general fabrication. Jobber length, straight-shank bits suit standard keyed or keyless chucks on handheld drills, cordless drills, and drill presses. Designed to cope with stainless steel and chromium-nickel alloys, they also perform well in mild and alloy steels when used at the correct speed with suitable cutting fluid. A practical choice for workshop, site, and maintenance tasks where accuracy and durability matter.
Key Features:
- 25-piece metric range: 1.0 mm to 13.0 mm in 0.5 mm steps for comprehensive coverage
- HSS with cobalt alloy for improved heat resistance and wear life in hard metals
- Roll-forged jobber length for strength, rigidity, and reliable concentricity
- Straight shank fits standard keyed and keyless chucks on drills and drill presses
- Suitable for stainless steel and Cr-Ni alloys; also effective on mild and alloy steels
- Durable construction helps maintain edge sharpness under sustained loads
- Consistent sizing supports accurate pilot, clearance, and tapping hole preparation
- Works best with correct speeds and cutting lubricant to extend tool life and finish quality
Typical Applications:
Ideal for drilling stainless enclosures, brackets, guards, handrails, sheet and section steel, and fixings in fabrication, MRO, and site installation. Useful for automotive and engineering work where tougher alloys are common. Suitable for handheld drilling and pillar drills, from pilot holes to final sizing, when used with appropriate speed, feed, and lubrication for clean, accurate results.
Also known as:
HSS-Co jobber drill set, cobalt steel twist drill assortment, jobber length twist drills (metric), HSS cobalt metric drill kit, metalworking drill bit set, cobalt alloy jobber drills, metric twist drill selection for stainless steel.
Product Specifications
| L&S Part No. | 902 1330 |
|---|---|
| Manufacturer | Timco |
| OEM No. | HSSCO25DS |
| Unit of Sale | 1 |
| Size | 25 Pieces |
| Machine Type | Drills |

