Eagle Cutting Tool HT-5625-12-T-D Hss Hand Taper Tap

Product Description

The EAGLE CUTTING TOOL HT-5625-12-T-D is a 9/16-12 high-speed steel (HSS) hand taper tap manufactured in the USA. It is designed to cut internal threads in ferrous and non-ferrous materials by hand, serving as the first tap in a standard three-tap sequence. The taper geometry provides a gradual thread engagement that reduces torque requirements and helps align the tap squarely in the hole. Machinists, pipefitters, and maintenance technicians rely on this style of tap for repair work, new fabrication, and field threading applications where machine tapping is not practical.

This tap is suited for threading 9/16-12 UNC (Unified National Coarse) holes in a range of materials including mild steel, aluminum, brass, and cast iron. It is typically used in manufacturing, maintenance and repair operations (MRO), and field service work where hand threading is required. The HSS construction handles the hardness demands of steel and other tough materials better than carbon steel alternatives, making it a practical choice for professional trade use.

Key Features

• 9/16-12 UNC thread form for coarse-pitch internal threading
• High-speed steel (HSS) construction for improved hardness and heat resistance over carbon steel
• Taper lead (approximately 8-10 threads of taper) eases entry and reduces initial torque
• USA manufactured
• Lightweight at 0.32 pounds for easy handling and portability

Compatibility

Designed as a standard hand taper tap for use in any 9/16-12 UNC threaded hole application. Compatible with standard tap wrenches and T-handle drivers sized for this tap shank.

Installation Notes

This tap is intended for use by machinists, maintenance technicians, and qualified tradespeople performing hand-tapping operations. Always ensure the correct tap drill size is used to prepare the hole before tapping, and apply cutting fluid appropriate for the workpiece material to extend tap life and improve thread quality. Keep the tap square to the work surface during entry to prevent cross-threading or breakage. Back off the tap periodically to break chips, particularly in blind-hole applications.

Technical Specifications

• Thread Size: 9/16-12 UNC
• Tap Type: Hand Taper
• Material: High-Speed Steel (HSS)
• Country of Origin: USA
• Weight: 0.32 pounds

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: HT-5625-12-T-D