Osg 7010702 Spiral Point Sti Tap 10-32 Unf Hss

Product Description

The OSG 7010702 is a spiral point STI tap designed for threading 10-32 UNF holes in steel, cast iron, aluminum, and similar materials. The spiral point geometry pushes chips forward ahead of the cut, preventing chip pack-up in through-hole applications. Built from high-speed steel with an elektraLUBE finish, this plug-chamfer tap offers lubricity that reduces friction and extends tool life. It has an overall length of 2.375 inches, a thread length of 0.875 inches, a 2-flute configuration, and an H3 thread limit for consistent tolerance control in production tapping operations.

This tap is suited for through-hole tapping in light manufacturing, maintenance and repair, and precision assembly work. The plug chamfer provides a gradual lead-in with roughly 3 to 5 chamfered threads, making it a general-purpose choice for most tapping applications where a starting taper is not required and a bottoming tap is not needed. Machinists and maintenance technicians working on threaded inserts and STI repair applications will find this tap appropriate for restoring or creating 10-32 UNF threads in standard through-hole configurations.

Key Features

• Spiral point geometry pushes chips forward, reducing chip pack-up in through-hole tapping
• High-speed steel construction provides toughness and wear resistance across a range of workpiece materials
• ElektraLUBE finish reduces friction and heat buildup during cutting for extended tool life
• Plug chamfer offers versatile general-purpose lead-in for most through-hole applications
• H3 thread limit ensures consistent fit and tolerance control in production environments
• 10-32 UNF thread form for fine-thread STI applications

Compatibility

Designed for use in 10-32 UNF through-hole tapping operations using standard tap handles, tapping heads, or CNC rigid tapping setups compatible with the tap shank dimensions.

Installation Notes

This tap should be installed by a machinist or qualified maintenance technician using a properly sized tap wrench, floating tap holder, or rigid tapping head. Ensure the workpiece is securely fixtured and the tap is aligned perpendicular to the hole before beginning the cut. Apply cutting fluid appropriate for the workpiece material to reduce heat and extend tap life. Do not force a tap that has stopped advancing, as this risks breakage and may damage the workpiece.