Precision Twist Drill 5998422 7/64 Inch Hss Jobber Drill Bit

Product Description

The PRECISION TWIST DRILL 5998422 is a jobber-length drill bit designed for general-purpose drilling in a wide range of materials. Built from high-speed steel (HSS) with a bright, uncoated finish, it measures 7/64 inch (0.1094 inch decimal) in diameter with a 118-degree standard point angle. Overall length is 2-5/8 inches, with a 1-1/2 inch flute length and a straight-cylindrical shank of matching 7/64 inch diameter. The two-flute, right-hand spiral design with a tapered web and web-thinning geometry supports clean chip evacuation and consistent entry on metalworking and general trade applications.

This bit is suited for drilling steel, cast iron, non-ferrous metals, superalloys, and titanium in production and maintenance environments. The Series R10H-R18H designation places it in a standard jobber-length family commonly found in HVAC, plumbing, electrical, and general mechanical trade work where a reliable, general-purpose bit is needed for metal-to-metal or structural drilling tasks. Maximum drilling depth is 1-1/2 inches. Coolant-through capability is not supported on this bit.

Key Features

• 7/64 inch (0.1094 inch) diameter with matching straight-cylindrical shank
• 118-degree standard point angle for general-purpose entry on ferrous and non-ferrous metals
• High-speed steel construction with bright, uncoated finish
• Two-flute right-hand spiral with tapered web and web-thinning for efficient chip removal
• 2-5/8 inch overall length with 1-1/2 inch flute and 1-1/8 inch shank length
• ANSI-standard specification; Series R10H-R18H

Compatibility

Designed for drilling steel, cast iron, non-ferrous metals, superalloys, and titanium. Compatible with standard drill chucks accepting a straight-cylindrical shank at 7/64 inch diameter. General-purpose fit for corded and cordless drills and drill presses used in trade and light production applications.

Installation Notes

Secure the shank fully in the chuck and verify concentricity before drilling. Power down and de-energize any equipment being drilled into before starting work. Use appropriate cutting fluid or lubricant when drilling ferrous metals to extend bit life and maintain dimensional accuracy. Dispose of metal chips per shop safety procedures and wear eye protection during all drilling operations.