Cleveland C71331 16mm Hss Jobber Length Drill Bit

Product Description

The CLEVELAND C71331 is a jobber-length drill bit designed for general-purpose drilling in a wide range of materials. It measures 16 mm (0.6299 inches) in diameter with an overall length of 7.008 inches and a flute length of 4.724 inches. The bit is manufactured from high speed steel with an oxide coating that provides basic lubricity and corrosion resistance during use. A standard 118-degree split-point geometry with web thinning reduces thrust and improves centering at entry. The straight-cylindrical shank measures 0.6299 inches in diameter and 2.2835 inches in length, seating securely in standard drill chucks. This bit is installed and used by machinists, maintenance technicians, and metalworking tradespeople.

The C71331 is built for general-purpose production and maintenance drilling in metals, plastics, and similar materials. It follows a regular spiral flute geometry with a 4xD flute-to-diameter ratio, making it suitable for through-hole and moderate-depth drilling operations. The right-hand cut and two-flute configuration are standard for most bench drill, drill press, and hand-drill applications. The Series 2001G design conforms to DIN 338 and ASME B94.11M standards, making it a direct fit for shops that specify to those tolerances. Diameter tolerance is held to -0.0012 to 0.0000 inches for consistent hole sizing.

Key Features

• 16 mm (0.6299 inch) diameter with -0.0012 to 0.0000 inch tolerance for accurate hole sizing
• High speed steel construction with oxide coating for basic lubricity and wear resistance
• 118-degree standard point angle with web thinning to reduce entry thrust
• Regular spiral, two-flute design with 4xD flute-to-diameter ratio
• Straight-cylindrical shank fits standard drill chucks without adapters
• Conforms to ASME B94.11M and DIN 338 specifications

Compatibility

Designed as a general-purpose jobber-length drill bit for use in drill presses, CNC drilling machines, and hand drills equipped with a chuck that accepts a 0.6299-inch straight-cylindrical shank. Fits within the Series 2001G product family per DIN 338 and ASME B94.11M standards.

Installation Notes

Installed by machinists and maintenance technicians in machine shop or field settings. Secure the shank fully in the drill chuck and verify there is no runout before starting the cut. Use appropriate cutting fluid for the workpiece material to extend bit life and improve hole finish. Inspect the cutting edges for wear or chipping before each use and replace when diameter tolerance or point geometry can no longer be maintained.