Hertel C.402.0240 Jobber Drill Bit 2.40 Mm Hss

Product Description

The HERTEL C.402.0240 is a high speed steel jobber-length drill bit designed for general-purpose drilling in metal, wood, and plastic. It features a 2.40 mm (0.0945 inch) diameter, a standard 118-degree split point, and an oxide coating that reduces friction and provides light corrosion resistance during use. The straight-cylindrical shank seats securely in standard drill chucks without requiring a specialized holder. At 60 mm overall length with a 35 mm flute length, this bit suits bench drills, hand drills, and CNC drilling operations where a compact jobber geometry is appropriate. Machinists, tool-and-die technicians, and maintenance trades are the primary users.

This drill bit is suited for light-to-medium duty hole-making in ferrous and non-ferrous metals, plastics, and composite materials. Its general-purpose grade and standard point geometry make it a practical choice for production drilling, fixture work, and maintenance applications where tight tolerances are not required. The right-hand cutting direction is compatible with conventional drilling equipment. The 2-flute spiral configuration evacuates chips efficiently in through-hole and blind-hole drilling scenarios.

Key Features

• 2.40 mm (0.0945 inch) diameter in the 2.00 to 3.00 mm size range
• 118-degree standard point angle for general-purpose entry and self-centering
• High speed steel construction handles moderate heat generated during drilling
• Oxide coating reduces surface friction and provides light corrosion resistance
• 2-flute spiral geometry promotes consistent chip evacuation
• Straight-cylindrical shank fits standard drill chucks without adapters

Compatibility

Designed as a general-purpose jobber drill bit compatible with standard drill chucks accepting straight-cylindrical shanks in the 2.00 to 3.00 mm diameter range.

Installation Notes

Installation is performed by machinists or maintenance technicians using a standard drill chuck key or keyless chuck. Secure the shank fully in the chuck before operation and verify runout before drilling production parts. For best tool life, use appropriate cutting fluid when drilling steel and avoid excessive feed pressure that can deflect or break a small-diameter bit. Inspect the cutting edges for wear or chipping before each use.