Eagle Cutting Tool HT-13750-12-T-I Hss Hand Taper Tap

Product Description

The EAGLE CUTTING TOOL HT-13750-12-T-I is a high-speed steel (HSS) hand taper tap designed to cut 1-3/8 inch diameter threads at 12 threads per inch (TPI). Taper taps feature a gradual chamfer across the first 8 to 10 threads, allowing the cutting load to be distributed as the tap enters the material. This geometry makes entry easier in through-holes and blind holes where starting alignment is critical. The HSS construction provides adequate hardness and wear resistance for threading mild steel, iron, aluminum, and similar workpiece materials. Plumbers, pipefitters, machinists, and maintenance technicians reach for this style of tap when cutting new threads by hand or with a low-speed tap handle.

This tap is suited for general industrial, mechanical, and trade maintenance applications where 1-3/8 inch 12 TPI unified or similar coarse-pitch threads are required. Typical scenarios include fabricating threaded holes in metal fixtures, repairing or chasing damaged threads on structural components, and creating threaded ports in custom fabricated assemblies. The hand tap designation means it is intended for manual operation using a standard tap wrench or T-handle, not for machine tapping cycles.

Key Features

• 1-3/8 inch diameter, 12 TPI thread form for coarse-pitch threading applications
• Taper chamfer distributes cutting load gradually for easier thread starting
• High-speed steel (HSS) construction resists heat and wear during manual tapping
• Hand tap design compatible with standard tap wrenches and T-handles
• Lightweight at 0.31 pounds for easy handling on the bench or in the field

Compatibility

Designed as an OEM-style hand tap for use in any application requiring a 1-3/8 inch 12 TPI taper tap in HSS material.

Installation Notes

A licensed machinist or qualified tradesperson should select the correct tap drill size before starting to ensure proper thread engagement. Secure the workpiece firmly before tapping and use cutting fluid to extend tap life and improve thread quality. Apply steady, even pressure and back the tap off periodically to break chips and prevent binding. Inspect the tap for chipping or wear before each use and replace if the cutting edges are damaged.

Technical Specifications

• Thread Diameter: 1-3/8 inches
• Threads Per Inch (TPI): 12
• Tap Type: Hand Taper
• Material: High-Speed Steel (HSS)
• Weight: 0.31 pounds
• Minimum Order Quantity: 1

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: HT-13750-12-T-I