Hertel 66694126 Jobber Drill Bit Wire 13 0.185 in Hss Tin

Product Description

The HERTEL 66694126 is a jobber-length twist drill bit in wire gauge size 13, with a decimal diameter of 0.1850 inches. Manufactured from heavy-duty high speed steel with a titanium nitride (TiN) coating, this bit delivers extended tool life in ferrous and non-ferrous materials. The 135-degree split point reduces walking on entry and requires no center punch on most surfaces. Overall length is 3.5 inches with a 2-5/16-inch spiral flute. Designed for right-hand cutting with a straight cylindrical shank, it seats securely in standard drill chucks. Maintenance technicians, machinists, and trade professionals use this bit for production holemaking in metal fabrication, mechanical, and field service applications.

This jobber-length drill bit suits general-purpose holemaking tasks across industrial, commercial, and trade settings. The wire size 13 diameter falls in the 0.1500 to 0.2000 inch range, making it a common choice for bolt clearance holes, tapping prep, and light structural work. The TiN coating reduces friction and heat buildup during cutting, extending service life compared to uncoated HSS. The two-flute spiral design clears chips efficiently in through-hole and blind-hole operations. It is well suited for use in drill presses, hand drills, and CNC drilling operations where a straight-shank jobber bit is specified.

Key Features

• Wire size 13 with 0.1850-inch decimal diameter for precise clearance and tap-prep applications
• 135-degree split point reduces bit walking and cutting force at entry
• TiN coating extends tool life and reduces heat buildup versus bare HSS
• Heavy-duty high speed steel construction rated for ferrous and non-ferrous materials
• Two-flute regular spiral with web-thinned tapered web for efficient chip evacuation
• Straight cylindrical shank compatible with standard three-jaw drill chucks

Compatibility

Designed as an OEM-style jobber drill bit suitable for use in standard drill presses, hand drills, and CNC drilling equipment accepting a straight cylindrical shank at 0.1850-inch diameter. Meets NAS specification designation for industrial drill bit standards.

Installation Notes

Install in a properly tightened drill chuck before energizing the tool. Secure the workpiece firmly before drilling to prevent movement and ensure hole accuracy. Apply cutting fluid or lubricant when drilling harder steels to reduce heat and extend bit life. Inspect the cutting edges before each use and replace if chipping or excessive wear is observed.