Hertel 87052 Hand Tap 1-1/16-12 Uns Plug 4-flute Hss

Product Description

The HERTEL 87052 is a straight-flute hand tap designed for cutting internal threads in metalworking and machining applications. Built from high speed steel with a bright uncoated finish, it produces 1-1/16-12 UNS right-hand threads and features a plug chamfer for standard through-hole or blind-hole starting. The H4 thread limit designation indicates an oversize tolerance suitable for use with harder materials or where plating allowance is required. With four flutes and through-coolant capability, this tap handles moderate to heavy-duty threading tasks where chip evacuation and tool cooling are priorities.

This tap is intended for use in manual tapping handles or machine tapping operations on ferrous and non-ferrous metals where UNS thread forms are specified. The plug chamfer style makes it appropriate for most general production and maintenance threading work. It is typically selected by machinists, tool-and-die makers, and maintenance mechanics working on industrial equipment, flanges, fittings, and structural components requiring a 1-1/16-12 thread specification.

Key Features

• 1-1/16-12 UNS right-hand thread form for standard unified national special applications
• Plug chamfer provides 3 to 5 thread lead for straightforward starting in through or blind holes
• H4 thread limit accommodates harder workpiece materials and plating allowances
• Four straight flutes promote chip clearance and consistent thread form
• Through-coolant design supports flood or pressure coolant delivery to the cutting zone
• Bright uncoated high speed steel construction suits a wide range of general-purpose materials

Compatibility

Designed as a standard hand tap for use in manual tap wrenches or tapping attachments that accept the corresponding shank diameter of 0.896 inches, suitable for UNS 1-1/16-12 threading operations.

Installation Notes

Installation should be performed by a qualified machinist or maintenance mechanic familiar with tapping procedures and speeds for the workpiece material. Ensure the tap is properly aligned with the drilled hole before applying torque to avoid tap breakage. Use cutting fluid appropriate for the workpiece material to extend tool life and improve thread quality. Follow applicable shop safety practices and equipment manufacturer guidelines when operating tapping equipment.