Hertel C.402.0410 Jobber Drill Bit 4.10 Mm Hss

Product Description

The HERTEL C.402.0410 is a high speed steel jobber-length drill bit designed for general-purpose drilling in metal, wood, and composite materials. It measures 4.10 mm (0.1614 inches) in diameter with an overall length of 83 mm (3.27 inches) and a flute length of 54 mm (2.13 inches). The 118-degree standard point angle delivers reliable centering and clean entry on most common workpiece materials. An oxide coating reduces friction and provides light corrosion resistance during storage and use. Machinists, maintenance technicians, and fabricators reach for this bit when a straight-cylindrical shank and two-flute spiral geometry are needed for everyday drilling tasks.

This drill bit is suited for general shop use, production drilling, and maintenance applications where a metric-diameter hole in the 4.00 mm to 5.00 mm range is required. It fits standard drill chucks and is compatible with handheld drills, drill presses, and CNC machining centers that accept straight-cylindrical shanks. Right-hand cutting direction is standard for conventional clockwise-rotating spindles. The 0.1614-inch decimal equivalent makes cross-referencing to inch-based hole callouts straightforward on mixed-unit job sites.

Key Features

• 4.10 mm (0.1614 inch) diameter, falling within the 4.00 mm to 5.00 mm drill bit size range
• 118-degree standard point angle for reliable centering and clean entry
• High speed steel construction for general-purpose durability across common workpiece materials
• Oxide coating reduces friction and provides light corrosion protection
• Two-flute spiral geometry with right-hand cutting direction for conventional spindle rotation
• Straight-cylindrical shank fits standard drill chucks without adapters

Compatibility

Designed as a general-purpose jobber drill bit for use in any drill press, hand drill, or CNC spindle accepting a straight-cylindrical shank in the 4.00 mm to 5.00 mm size range.

Installation Notes

A licensed machinist or qualified technician should ensure the drill chuck is fully tightened and the workpiece is securely clamped before operation. Always power down and de-energize the machine before changing bits or adjusting chuck position. Use appropriate cutting fluid or lubricant when drilling hardened metals to extend bit life and maintain hole quality. Wear appropriate PPE including eye protection in accordance with applicable shop safety standards.