Precision Twist Drill 5999607 Taper Length Drill Bit

Product Description

The PRECISION TWIST DRILL 5999607 is a taper length drill bit designed for general-purpose drilling in a wide range of materials. Ground from high speed steel and finished bright/uncoated, it measures 0.0180 inches in diameter with a 118-degree standard point angle. The straight shank and tapered web configuration allow for clean entry and efficient chip evacuation through the spiral flute. At 1.5 inches overall length with a 5/16-inch flute, this is a small-diameter bit suited for precision work in tight or shallow applications. Installation is performed by machinists, maintenance technicians, and trade professionals requiring fine hole tolerances.

The 5999607 is built for general-purpose use across metal fabrication, maintenance, repair, and light manufacturing environments. Its compact taper length profile makes it practical for drilling in confined spaces or where a jobber-length bit would be excessive. The right-hand spiral flute and web-thinned point reduce thrust and improve centering on entry. This bit is sold individually with a minimum order quantity of 12 units, making it well suited for shop stock or toolcrib replenishment.

Key Features

• High speed steel construction for durability across ferrous and non-ferrous materials
• 118-degree standard point angle with web-thinned, tapered web for reduced entry thrust
• Bright/uncoated finish suitable for general-purpose drilling without coating-related re-sharpening complications
• Right-hand cut with regular spiral flute for efficient chip removal
• Straight shank at 0.0180 inches diameter for standard drill chuck compatibility
• Meets ANSI standards for dimensional accuracy and tool geometry

Compatibility

Rated for use in alloy steel, aluminum, aluminum alloy, brass, bronze, carbon steel, cast iron, cermet, copper, graphite, hardened steel, high strength bronze, magnesium, magnesium alloy, malleable iron, nickel, nickel alloy, reinforced plastic materials, and stainless steel as listed in the Series R52 material application specifications.

Installation Notes

This bit is installed by machinists or technicians using a standard drill press, CNC machine, or hand drill with a compatible chuck accepting straight shanks. Secure the workpiece before drilling and use appropriate cutting fluid when drilling hardened or stainless steel to extend bit life. At 0.0180 inches diameter, avoid lateral force during operation, as small-diameter bits are susceptible to breakage under side load. Inspect the point for wear before each use and re-sharpen or replace when the cutting edges show visible dulling.