Drill bit Abraboro HSS cylindrical 16.5 mm, metal drilling

Abraboro HSS cylindrical drill bit, 16.5 mm diameter, designed for drilling metal. Manufactured from high-speed steel (HSS), this drill bit combines wear resistance and elevated heat tolerance to maintain cutting performance during continuous operation. The cylindrical shank fits standard drill chucks, making the tool compatible with both handheld and stationary drills used in workshops and industrial metalworking environments. It is intended for producing precise through-holes in steel and non-ferrous metals.

Advantages

The HSS material offers improved hardness and temperature resistance compared with general-purpose carbon steel, which helps sustain cutting edges under higher speeds and longer runs. The cylindrical shank ensures secure clamping in common chucks and simplifies tool changes. The 16.5 mm diameter provides a balance between hole size and rigidity, reducing deflection during drilling in metal. The bit's geometry supports reliable chip evacuation and consistent hole quality when used with appropriate speeds and coolant.

Suitable for

• Drilling through holes in mild and alloy steels
• Creating holes in non-ferrous metals such as aluminum and brass
• Handheld drilling and bench or pillar drill operations
• Workshop and light industrial metal fabrication tasks

Key specifications

• Material: High-speed steel (HSS)
• Shank type: Cylindrical shank suitable for standard chucks
• Diameter: 16.5 mm
• Application: Metal drilling (steel and non-ferrous metals)
• Intended hole type: Through-holes

How to use

Secure the cylindrical shank in the drill chuck and tighten firmly to prevent slippage. Select a drilling speed appropriate to the workpiece material and diameter — lower speeds for harder steels, higher speeds for softer non-ferrous metals — and, where possible, use cutting fluid or coolant to reduce heat and improve tool life. Begin drilling with steady, moderate feed pressure, backing out periodically to clear chips when drilling deeper holes. After completing the hole, remove burrs as needed with a deburring tool or file.

Usage recommendations

Use protective eyewear and gloves when drilling. For best results on harder steels, apply a suitable cutting lubricant and monitor bit wear; regrind or replace the bit when the cutting edges become dull to maintain hole quality and operator safety.