Accupro T2670465 Spiral Point Tap 5/16-24 2 Flute

Product Description

The ACCUPRO T2670465 is a spiral point tap designed for cutting internal threads in through-hole applications. Ground from 3% Vanadium High Speed Steel (HSS) with a bright finish, it runs at a 5/16-24 thread size with a plug chamfer that guides the tap into the hole progressively. With 2 flutes and a right-hand thread direction, this tap pushes chips forward ahead of the cutting edge, making it well suited for through-hole tapping where chip evacuation is a priority. The H5 thread limit provides a controlled tolerance fit for standard threaded fastener assemblies.

This tap is intended for use in aluminum and similarly machinable materials. The plug chamfer style makes it a common choice for production and maintenance environments where the workpiece allows chip flow through the bottom of the hole. It is appropriate for use in drill presses, CNC machining centers, tapping arms, and hand-tapping setups. Machinists, tool and die makers, and maintenance technicians working in fabrication, HVAC equipment assembly, and general metalworking will find this a straightforward utility tap for 5/16-24 UNF threading operations.

Key Features

• 5/16-24 UNF thread size with plug chamfer for progressive thread engagement
• 2-flute spiral point design pushes chips forward for clean through-hole tapping
• 3% Vanadium High Speed Steel construction for wear resistance in aluminum and soft metals
• H5 thread limit for consistent tolerance control in standard fastener applications
• Bright finish with no coating — suitable for use with cutting fluid or tap lubricant
• Right-hand thread direction, compatible with standard tapping equipment

Compatibility

Designed as a standard 5/16-24 UNF spiral point plug tap suitable for use with common tapping chucks, tapping arms, and CNC rigid tapping setups that accept the 8.08 mm shank diameter.

Installation Notes

Installation should be performed by a qualified machinist or maintenance technician familiar with tapping operations. Secure the workpiece firmly before starting and ensure the correct drill size for a 5/16-24 thread is used prior to tapping. Apply appropriate cutting fluid or tapping compound for the workpiece material to extend tool life and improve thread quality. Do not reverse the tap under power without a reversing-capable tapping attachment, as this can cause tap breakage.