Hertel C.E10.1429 Extra Length Drill Bit 9/16 in Hss

Product Description

The HERTEL C.E10.1429 is an extra length high-speed steel drill bit designed for drilling operations that require greater reach than a standard jobber-length bit can provide. It measures 9/16 inch in diameter with a 12-inch overall length and a 9-inch flute length, giving technicians and machinists the clearance needed to reach deep or obstructed bore locations. The 118-degree point angle is a general-purpose geometry suitable for drilling into mild steel, cast iron, aluminum, and similar materials. An oxide finish helps reduce friction and provides a degree of corrosion resistance during use. This bit is a two-flute design intended for use in stationary drill presses, portable electric drills, and magnetic base drills.

This extra length drill bit is suited for industrial maintenance, HVAC equipment fabrication, plumbing rough-in work, and electrical trade applications where standard-length bits cannot reach fastener locations, deep structural members, or thick material stacks. The extended flute length supports chip evacuation over the full depth of the cut, reducing the need for peck drilling on shallower passes. General-purpose grade designation makes this bit appropriate for everyday production and service drilling tasks across metal trades.

Key Features

• Extra length design: 12-inch overall length and 9-inch flute length for deep-reach drilling
• 9/16 inch diameter (0.5625 inch decimal) for consistent, accurate hole sizing
• 118-degree point angle — standard general-purpose geometry for broad material compatibility
• Two-flute construction promotes efficient chip removal during drilling
• High-speed steel construction withstands heat generated in continuous metal drilling
• Oxide finish reduces surface friction and light corrosion during storage and use

Compatibility

Designed as a general-purpose extra length drill bit compatible with standard drill chucks and drill presses that accept 9/16 inch shank tooling across industrial, commercial, and trade service applications.

Installation Notes

Secure workpieces firmly before drilling to prevent rotation and maintain hole accuracy. Ensure the drill chuck is properly tightened and rated for the shank diameter before operating. Use appropriate cutting fluid or lubrication when drilling ferrous metals to extend bit life and maintain point geometry. Inspect the cutting edges before each use and replace the bit if the point shows signs of chipping or excessive wear.