Drill bit GRAPHITE 57H150 titanium-coated cylinder shank 9 mm for metal

GRAPHITE 57H150 is a 9 mm drill bit designed specifically for drilling metal. The cutting edges have a titanium coating that improves wear resistance and reduces friction during drilling. The bit has a cylindrical shank compatible with standard chucks in hand-held drills and drill presses, and is intended for general workshop and maintenance use where holes in steel, iron and non-ferrous metals are required.

Advantages

The titanium-coated cutting surface extends tool life under repeated use and helps maintain cutting geometry. The 9 mm diameter provides a balance between rigidity and material removal rate for medium-sized holes. The cylinder shank ensures secure clamping in standard three-jaw chucks and supports stable rotation in both hand drills and bench drills. The drill bit’s design focuses on efficient metal cutting with reduced heat buildup compared with uncoated bits.

Suitable for

• Drilling holes in steel and iron
• Working with non-ferrous metals such as aluminum and brass
• General workshop maintenance and repair tasks
• Use in hand-held drills and drill presses

Key specifications

• Diameter: 9 mm
• Material application: metalworking
• Cutting surface finish: titanium coating
• Shank type: cylindrical shank for standard chucks
• Suitable tools: hand drills and drill presses

How to use

Secure the drill bit firmly in the drill chuck, ensuring proper centering of the cylindrical shank. Select an appropriate spindle speed for the material being drilled — lower speeds for hard steels and higher speeds for softer non-ferrous metals. Use cutting fluid or lubricant when drilling steel to reduce heat and improve chip removal. Apply steady, moderate feed pressure and withdraw the bit periodically if long holes or heavy chips form to clear swarf and avoid clogging.

Usage recommendations

For best results, pre-mark and pilot-drill the hole when precision or large diameter work is required. Always wear suitable eye protection and follow the drill and workshop safety guidelines. Replace the bit when chipping, excessive wear, or loss of cutting performance is observed to prevent damage to the workpiece.