Osg 1306300408 Spiral Point Tap 8-32 Unc Plug 2B

Product Description

The OSG 1306300408 is a spiral point tap designed for cutting internal threads in a wide range of metallic workpieces. Built from powdered metal and finished with a V coating, it produces 8-32 UNC right-hand threads to a 2B class of fit. The plug chamfer makes it well suited for through-hole applications where the tap can pass completely through the material. Three flutes and a spiral point geometry push chips forward ahead of the tap, reducing clogging and allowing continuous cutting at production speeds. The H3 thread limit maintains consistent tolerance control for standard 2B fits. Overall length is 2.126 inches with a thread length of 0.374 inches and a shank diameter of 0.168 inches.

This tap is rated for use in titanium, hardened steel, cast iron, alloy steel, and stainless steel. It fits into standard tapping chucks and CNC rigid-tapping setups used in machine shops, maintenance facilities, and production environments. The 8-32 UNC thread size is common in electrical enclosures, panel hardware, and light mechanical assemblies, making this tap a frequent choice for machinists and tool-and-die technicians handling small-fastener work. Coolant-through is not supported on this model.

Key Features

• Spiral point geometry pushes chips forward for cleaner through-hole tapping
• Powdered metal construction with V coating for wear resistance across hard materials
• 8-32 UNC thread form, right-hand direction, H3 thread limit
• 2B class of fit for standard tolerance threading
• Plug chamfer suited to through-hole applications
• Rated for titanium, hardened steel, cast iron, alloy steel, and stainless steel

Compatibility

Designed for through-hole tapping of 8-32 UNC threads in ferrous and difficult-to-machine materials including titanium, hardened steel, cast iron, alloy steel, and stainless steel.

Installation Notes

This tap should be installed in a properly sized tapping chuck or rigid-tapping holder appropriate for the shank diameter. Ensure the workpiece is securely fixtured and the spindle speed is set to a rate appropriate for the workpiece material before beginning the tapping cycle. Apply cutting fluid compatible with the workpiece material to extend tool life and improve thread quality. Inspect the tap for wear or chipping before each use and replace if thread form shows degradation.