Eagle Cutting Tool HT-15000-12-P-I Hss Hand Plug Tap 1-1/2-12

Product Description

The EAGLE CUTTING TOOL HT-15000-12-P-I is a high-speed steel (HSS) hand plug tap sized 1-1/2 inch diameter with a 12 threads-per-inch (TPI) pitch. Plug taps feature a tapered lead of 3 to 5 threads, allowing them to start easily in a pre-drilled hole and cut full-form threads through most of the tap length. This tap is designed for hand tapping operations and is used to cut unified national coarse or fine internal threads in metal workpieces. Machinists, pipefitters, and maintenance trades reach for this size when threading large-diameter holes in steel, iron, or similar materials where a quality internal thread is required.

This tap is suited for heavy-duty hand tapping in fabrication shops, maintenance facilities, and industrial job sites. The 1-1/2 inch by 12 TPI specification is a unified fine thread (UNF-adjacent) combination commonly encountered in machinery, structural components, and large fastener applications. It is appropriate for use in ferrous and non-ferrous metals when used with the correct cutting fluid. This is an import-grade tool, making it a practical choice for lower-volume or occasional use applications where cost control is a priority.

Key Features

• High-speed steel (HSS) construction provides hardness and wear resistance for threading metal workpieces
• Plug chamfer (3 to 5 thread lead) allows easy starting and is the standard choice for through-holes and most blind-hole applications
• 1-1/2 inch diameter by 12 TPI sizing covers large-diameter threading tasks in machinery and structural work
• Designed for hand tapping use with a standard tap wrench
• Import-grade tool suited for occasional or low-volume threading operations

Compatibility

Designed as a standard hand plug tap for use with conventional tap wrenches sized to accept large-diameter taps. Compatible with pre-drilled holes sized to the appropriate tap drill diameter for 1-1/2 inch by 12 TPI threads.

Installation Notes

This tap is installed by a machinist or skilled tradesperson using a properly sized tap wrench. Secure the workpiece firmly before tapping, and apply appropriate cutting fluid throughout the operation to reduce heat and extend tool life. Advance the tap gradually, backing off periodically to break chips and prevent binding or tap breakage. Follow applicable shop safety practices and wear eye protection when performing threading operations.

Technical Specifications

• Thread Size: 1-1/2 inch
• Thread Pitch: 12 TPI
• Tap Type: Hand Plug Tap
• Material: High-Speed Steel (HSS)
• Weight: 0.31 pounds
• Minimum Order Quantity: 1

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: HT-15000-12-P-I