Hertel 4140752 Cobalt Jobber Drill Bit 6 Mm Tialn

Product Description

The HERTEL 4140752 is a cobalt jobber-length drill bit designed for high-performance holemaking in tough materials. It measures 6 mm (0.2362 inches) in diameter with an overall length of 4-1/64 inches and a flute length of 2-3/4 inches. The bit features a 135-degree split point for self-centering starts and reduced thrust, and a TiAlN coating that extends tool life in abrasive and high-heat applications. The straight-cylindrical shank seats securely in standard drill chucks. This bit is suited for machinists, tool and die workers, maintenance technicians, and fabricators working with steel, stainless, cast iron, and similar hard materials.

This jobber-length drill bit is intended for general-purpose holemaking across metalworking, maintenance, and fabrication environments. The regular spiral flute and right-hand cut make it compatible with standard drill presses, CNC machining centers, and hand-held power drills. The web-thinned, tapered web construction reduces cutting resistance and improves chip evacuation. It is well suited for production drilling in metals where heat and wear are primary concerns. This bit does not support coolant-through delivery and is sold individually.

Key Features

• 6 mm (0.2362 inch) diameter cobalt construction for durability in hard and abrasive metals
• TiAlN coating improves heat resistance and extends tool life in demanding applications
• 135-degree split point reduces walking and lowers drilling thrust requirements
• Web-thinned tapered web improves chip flow and reduces cutting force
• Right-hand spiral flute with straight-cylindrical shank fits standard drill chucks
• Jobber-length series balances reach and rigidity for general holemaking tasks

Compatibility

Designed as a standard jobber-length drill bit with a straight-cylindrical shank, this bit fits conventional three-jaw drill chucks on drill presses, CNC machining centers, and hand-held power drills accepting a 0.2362-inch shank diameter.

Installation Notes

Installation and use of this drill bit should be performed by qualified machinists or maintenance technicians familiar with drilling operations. Ensure the workpiece is securely clamped and the chuck is properly tightened before operation. Use appropriate cutting speeds and feeds for the material being drilled to avoid overheating the bit. Eye protection and chip guards should be in place per applicable workplace safety requirements.