Drill Bit Proedge 20.0 mm HSS-G for Metal, single piece, Milwaukee (MPN 4932500413)

The Proedge 20.0 mm HSS-G drill bit for metal is a single-piece twist drill designed for general metalworking holemaking. Manufactured to a ground high-speed steel geometry, this drill bit delivers hardness and wear resistance suited to drilling steel and non-ferrous metals. It is intended for use with hand-held drills and drill presses in workshop, maintenance, and industrial environments where reliable performance and straightforward operation are required.

Advantages

This HSS-G drill bit features a ground cutting geometry that offers precise cutting edges and consistent hole quality. The high-speed steel construction provides good hardness and heat resistance for typical metal drilling tasks. Supplied as a single piece, it is easy to handle and change in standard drill chucks. Its design supports stable chip evacuation and reduced walking when starting holes in metal surfaces.

Suitable for

• Drilling holes in mild and alloy steels
• Working with non-ferrous metals such as aluminum, copper, and brass
• Use in hand drills for maintenance and repair
• Use in drill presses for workshop production and fabrication

Key specifications

• Diameter: 20.0 mm
• Material: High-speed steel (HSS-G), ground geometry
• Type: Single-piece twist drill
• Suitable materials: Steel and non-ferrous metals
• Typical applications: Holemaking, maintenance, fabrication

How to use

Secure the drill bit in a compatible drill chuck and ensure it is tightened firmly. Select an appropriate spindle speed for the material being drilled — lower speeds for harder steels and higher speeds for softer non-ferrous metals — and apply steady, even feed pressure. Use cutting fluid or lubricant for improved tool life and heat control when drilling steel. Back the drill periodically to clear chips and prevent clogging. After use, clean chips and residue from the flutes and store the bit in a dry place.

Usage recommendations

For best results, match drill speed and feed to the workpiece material and use suitable cutting fluid when drilling steel; inspect the cutting edges regularly and regrind or replace the bit when wear reduces performance.