Drill bit Irwin HSS spot-face for metal, 13.5 mm, model 10502404

Irwin HSS spot-face drill bit, 13.5 mm diameter, is designed for creating precise holes and counterbores in metal workpieces. Manufactured from high-speed steel (HSS), this spot-face cutter combines drilling and counterboring capability in a single tool, suitable for general metalworking, repair and maintenance operations. The tool is compatible with common drills and drill presses used in workshops and industrial settings.

Advantages

The HSS construction provides durability and wear resistance when working with steel and other ferrous materials. The spot-face geometry produces clean, flat seating surfaces for fasteners and bearings, reducing secondary machining steps. The single-step design simplifies setup and reduces tool changes by performing drilling and spot-facing in one pass. The 13.5 mm diameter offers a standard size for many fastening and assembly tasks.

Suitable for

• Creating flat bearing or screw seating surfaces on metal parts
• Counterboring and spot-facing on steel, cast iron and similar ferrous materials
• Workshop and industrial drill press applications
• Maintenance, repair and fabrication tasks requiring precise seatings

Key specifications

• Material: high-speed steel (HSS)
• Type: spot-face / counterbore with drilling function
• Diameter: 13.5 mm
• Intended use: metalworking (steel and other ferrous materials)
• Compatibility: standard drills and drill presses

How to use

Secure the workpiece firmly in a vice or fixture to prevent movement. Fit the Irwin HSS spot-face drill bit into the drill chuck and tighten securely. Align the bit with the required centre point and operate the drill at an appropriate speed for high-speed steel when cutting ferrous metals; use moderate feed pressure and steady spindle speed to avoid overheating. Make the through or pilot hole as needed, then continue the cut to create the flat spot-facing surface. Use cutting fluid to improve tool life and surface finish when working with steel.

Usage recommendations

Use recommended drill speeds for HSS in steel (moderate RPM), apply cutting fluid to reduce heat, and ensure stable clamping of both tool and workpiece. Replace the bit if signs of excessive wear or chipping appear to maintain seating accuracy.