Hertel 79892279 Jobber Drill Bit Wire 17 Solid Carbide

Product Description

The HERTEL 79892279 is a jobber-length drill bit designed for precision hole-making in demanding shop and field applications. Built from solid carbide grade C2, this bit delivers superior wear resistance and edge retention compared to high-speed steel alternatives. It cuts a 0.1730-inch diameter hole with a diameter tolerance of -0.0005 to 0.0000 inches, making it suitable for close-tolerance work. The 118-degree standard point angle and web-thinned, tapered web configuration reduce entry force and improve chip clearance. The bright coating keeps the surface clean without adding dimensional buildup. This bit is sold individually and is installed by machinists, tool-and-die tradespeople, and mechanical contractors working in metal fabrication and precision assembly environments.

This drill bit is appropriate for production and maintenance drilling in metal where dimensional accuracy and bit longevity are priorities. The 0.1730-inch diameter corresponds to wire gauge size 17, a common size for clearance holes, tap pilot holes, and light-duty precision boring. The straight-cylindrical shank accepts standard three-jaw drill chucks on benchtop drill presses, CNC drilling centers, and handheld power drills. The regular spiral flute geometry promotes efficient chip evacuation in through-hole applications. No coolant-through capability is present, so external lubrication or cutting fluid should be applied when drilling ferrous metals at sustained feed rates.

Key Features

• Solid carbide C2 grade construction for extended tool life in hard and abrasive materials
• Wire size 17 diameter at 0.1730 inches with a tight tolerance of -0.0005 to 0.0000 inches
• 118-degree standard point angle with web-thinned, tapered web for reduced thrust and cleaner entry
• 1-5/8-inch flute length (1.6250 inches) with regular right-hand spiral for efficient chip removal
• Bright finish with no coating buildup, preserving as-ground dimensional accuracy
• Straight-cylindrical shank at 0.1730 inches diameter fits standard drill chucks without adapters

Compatibility

Designed as a standard jobber-length drill bit with a straight-cylindrical shank for use in any drill chuck or collet system accepting a 0.1730-inch shank diameter.

Installation Notes

Installation is performed by machinists or mechanical tradespeople using a drill press, CNC machine, or hand drill with a compatible chuck. Secure the shank fully in the chuck and verify runout before drilling. Apply cutting fluid or lubricant when drilling ferrous metals to prevent heat buildup, since this bit does not have coolant-through capability. Follow all applicable shop safety practices and machine guarding requirements when operating rotary cutting tools.