Osg 1111600403 Spiral Point Tap M5x0.80 Metric Coarse

Product Description

The OSG 1111600403 is a spiral point tap designed for threading M5x0.80 metric coarse internal threads in through-hole applications. Manufactured from vanadium high-speed steel (HSS-E) with a nitride coating, it delivers improved wear resistance and reduced friction during the tapping cycle. The plug chamfer configuration eases thread entry and is suited for through-hole work where chips can be pushed forward ahead of the cut. With a D4 thread limit and 6H class of fit, this tap produces threads to standard metric tolerance for general mechanical assemblies. It carries 3 flutes and a right-hand thread direction, with a thread length of 7/8 inches and a shank diameter of 0.194 inches.

This tap is intended for use in light alloy applications, specifically aluminum and cast aluminum, where clean chip evacuation and thread accuracy are critical. The spiral point geometry pushes chips forward rather than packing them in the flutes, making it appropriate for production runs and CNC tapping cycles in these materials. It is suited for use in machine shops, manufacturing facilities, and maintenance environments where M5 metric fastener threads are required in non-ferrous workpiece materials.

Key Features

• M5x0.80 metric coarse thread form with 6H class of fit for standard tolerance applications
• Vanadium high-speed steel (HSS-E) construction for improved toughness and wear resistance over standard HSS
• Nitride coating reduces friction and improves tool life in aluminum and cast aluminum
• Spiral point geometry pushes chips forward, making it effective in through-hole tapping operations
• Plug chamfer for standard through-hole thread starting
• Right-hand thread direction, no coolant-through, non-interrupted thread profile

Compatibility

Designed for tapping M5x0.80 metric coarse through-holes in aluminum and cast aluminum workpieces. Fits standard tap holders and machine tapping chucks accepting a 4.9276 mm shank diameter.

Installation Notes

This tap is installed and operated by a qualified machinist or toolroom technician using a compatible CNC machining center, drill press, or manual tap handle. Ensure the workpiece is securely fixtured and the tap is properly aligned with the pre-drilled pilot hole before engaging the cut. Use an appropriate cutting fluid or tapping compound rated for aluminum to maximize tool life and thread quality. Do not reverse the tap under power without confirming the machine is programmed for rigid tapping or that a floating tap holder is in use.