Precision Twist Drill 5998265 Jobber Drill Bit 29 Hss

Product Description

The PRECISION TWIST DRILL 5998265 is a jobber-length drill bit in wire gauge size 29, equivalent to 0.1360 inches in decimal. Manufactured from high speed steel with a bright uncoated finish, it is engineered for general-purpose drilling in steel, cast iron, non-ferrous metals, and superalloys including titanium. The standard 118-degree split-point angle and web-thinned, tapered web design reduce entry force and improve centering on a wide range of workpiece materials. With an overall length of 2.875 inches and a 1.75-inch spiral flute, this bit suits handheld drills, drill presses, and CNC setups where a straight-cylindrical shank and right-hand cut are standard requirements. Installation and use is appropriate for machinists, maintenance technicians, and metalworking tradespeople.

This drill bit is suited for production and maintenance drilling in ferrous and non-ferrous metals across light manufacturing, HVAC fabrication shops, plumbing rough-in, and general mechanical trade environments. The regular spiral flute promotes efficient chip evacuation in through-hole and blind-hole applications. A 13xD flute-to-diameter ratio provides adequate depth capacity for standard jobber-length work. The bit belongs to the R10H-R18H series and meets ANSI specification requirements, making it a reliable choice where dimensional accuracy and consistent performance are required across repeat drilling operations.

Key Features

• Wire gauge size 29 (0.1360 inches) straight-cylindrical shank for standard chuck compatibility
• 118-degree standard point angle with web-thinned tapered web for reduced thrust and improved self-centering
• High speed steel construction rated for steel, cast iron, non-ferrous metals, and superalloys including titanium
• Bright uncoated finish suitable for general-purpose use without added coating cost
• Right-hand cut with regular spiral flute and 2-flute configuration for efficient chip removal
• Meets ANSI standards; part of the R10H-R18H series

Compatibility

Designed as a general-purpose jobber-length drill bit compatible with any standard drill chuck or collet accepting a 0.1360-inch straight-cylindrical shank. Suitable for drilling steel, cast iron, non-ferrous metal, and superalloys including titanium per ANSI specification requirements.

Installation Notes

Installation is performed by machinists and trade technicians using standard drill chucks or collets; confirm chuck capacity accepts a 0.1360-inch shank before seating the bit. Secure the workpiece firmly before drilling and apply appropriate cutting fluid when drilling ferrous metals or superalloys to extend tool life. Follow applicable shop safety practices and ANSI B11 machine tool standards for drill press and handheld drill operation. Coolant-through is not supported on this bit.