Abraboro HSS conical metal drill bit 18 mm AB44518000

Abraboro HSS conical metal drill bit 18 mm AB44518000 is a tapered high-speed steel drill designed for drilling metal. The tool features an 18 mm cutting diameter and a conical geometry that creates tapered holes or enlarges starter holes with controlled material removal. Made from HSS (high-speed steel), the bit offers wear resistance and thermal stability for repeated metal drilling operations. It is intended for use in workshop environments with hand drills and drill presses and is suitable for steel and other ferrous materials.

Advantages

The Abraboro HSS conical drill bit combines a conical profile with high-speed steel construction to deliver consistent cutting performance and extended tool life. Its HSS material provides good heat resistance during continuous drilling, while the conical shape enables smooth entry and gradual diameter increase for accurate tapered holes. The bit’s geometry reduces chatter and helps maintain hole concentricity when used with appropriate speeds and fixturing.

Suitable for

• Drilling tapered holes in steel and other ferrous metals
• Enlarging or deburring pre-drilled holes
• Workshop maintenance and metal fabrication tasks
• Use with hand drills and drill presses

Key specifications

• Cutting diameter: 18 mm
• Material: High-speed steel (HSS)
• Geometry: Conical/tapered profile
• Application: Metal drilling, especially ferrous materials
• Suitable mounting: Straight shank for standard drill chucks

How to use

Secure the workpiece firmly in a vise or fixture to prevent rotation. Select an appropriate drill speed and coolant based on the metal being drilled—lower speeds for harder steels and use cutting fluid to reduce heat and prolong bit life. Center the conical bit on the intended hole location and start drilling with steady pressure, allowing the conical geometry to progressively remove material. For deeper or larger holes, retract occasionally to clear chips and apply fresh cutting fluid as needed. When finished, deburr the hole edges if required.

Usage recommendations

Use moderate feed pressure and proper cooling when drilling ferrous metals to maximize life of the HSS conical bit. Match drill speed and lubricant to material hardness; avoid excessive side loads and store the bit dry and protected to prevent corrosion.