Drill bit GEKO cobalt HSS for metal 1 mm G37010

The GEKO cobalt HSS drill bit for metal, 1 mm diameter, is designed for precision drilling in a range of metal materials. Manufactured from high-speed steel alloyed with cobalt, this 1 mm drill delivers a small, accurate hole with improved heat resistance and wear performance compared with standard HSS bits. Its compact size and construction make it suitable for fine work where control and repeatable results are required.

Advantages

The cobalt-enhanced HSS composition increases hardness at elevated temperatures and extends tool life when drilling stainless steel and other hard metals. The small 1 mm diameter provides high precision and minimal material removal, allowing close-tolerance holes and neat finishes. The bit's geometry and material provide consistent cutting performance in light industrial and hobby applications, reducing the need for frequent tool changes.

Suitable for

• Drilling small-diameter holes in stainless steel and other hard metals
• Precision model-making and electronics work
• Light industrial and maintenance tasks requiring fine metal holes
• Preparation of pilot holes for screws or rivets in thin metal sheets

Key specifications

• Diameter: 1 mm
• Material: high-speed steel with cobalt alloy
• Intended use: metal drilling, including stainless steel and hard metals
• Recommended application: precision and small-diameter drilling tasks

How to use

Select an appropriate drill speed and feed for a 1 mm cobalt HSS bit and the metal being drilled; lower speeds are typically required for hard metals such as stainless steel. Secure the workpiece in a vise or fixture to prevent movement and use a center punch for accurate hole positioning. Use light, steady pressure and withdraw the bit periodically to clear chips and prevent heat buildup. Apply cutting fluid when drilling tougher alloys to extend bit life and improve chip evacuation.

Usage recommendations

For best results, start with a small pilot mark, use sharp, correctly sized chucks or collets to minimize runout, and apply a suitable cutting lubricant when working on stainless steel or other hard alloys. Inspect the bit for wear before use and replace if the cutting edges are dulled to maintain hole quality.