Osg 2632005 Spiral Point Tap 7/16-14 Unc Tin Hss

Product Description

The OSG 2632005 is a spiral point tap designed for right-hand threading in a wide range of ferrous and non-ferrous materials. It cuts a 7/16-14 UNC thread to a 2B class of fit and features a plug chamfer for use in through-hole applications. The tap is manufactured from vanadium high-speed steel (HSS-E) and carries a titanium nitride (TiN) coating that extends tool life by reducing friction and heat buildup at the cutting edge. Three flutes push chips forward ahead of the tap, keeping the flutes clear and enabling higher feed rates in production threading. Coolant-through capability supports both flood and high-pressure through-spindle coolant delivery.

This tap is suited for CNC machining centers, drill presses, and tapping machines in job shop, production, and maintenance environments. Its material application range covers aluminum, low-carbon steel, medium-carbon steel, high-carbon steel, alloy steel, die steel, stainless steel, and cast iron. The plug chamfer makes it the correct choice when the tap must pass fully through the workpiece. Typical users include machinists, tool and die makers, and maintenance technicians performing thread repair or new thread creation in through-hole configurations.

Key Features

• 7/16-14 UNC thread form, 2B class of fit for standard tolerance through-hole threading
• Vanadium high-speed steel (HSS-E) construction for improved wear resistance over standard M2 HSS
• TiN coating reduces cutting friction and extends tool life across steel and aluminum applications
• 3-flute spiral point design pushes chips forward, preventing chip packing in through-hole cuts
• Coolant-through design compatible with through-spindle and flood coolant systems
• Plug chamfer with right-hand thread direction for standard through-hole applications

Compatibility

Designed as a replacement or production tap for through-hole 7/16-14 UNC threading operations across aluminum, cast iron, low- to high-carbon steel, alloy steel, die steel, and stainless steel workpieces.

Installation Notes

This tap should be installed by a qualified machinist in a rigid tapping holder or floating tap collet to prevent breakage. The spindle must be stopped and the machine powered down before changing tooling. Verify correct spindle speed and feed rate for the workpiece material prior to cutting, and confirm coolant flow is active before engaging the tap in coolant-through setups. Do not reverse the tap at full speed without a reversible tapping attachment.