Eagle Cutting Tool HT-348-T-I Hss Hand Taper Tap 3-48

Product Description

The EAGLE CUTTING TOOL HT-348-T-I is a high-speed steel (HSS) hand taper tap ground to a 3-48 thread specification. Taper taps are the standard starting tap in a threading sequence, featuring a gradual lead that distributes cutting forces across several threads and makes thread entry easier in through-holes and blind holes alike. This tap is driven by hand with a tap wrench and is suited for machinists, maintenance technicians, and tool-and-die workers who need to cut clean 3-48 internal threads in metal workpieces. At 0.31 pounds, it is a compact, lightweight tool appropriate for bench work and field repair.

This tap is designed for hand-threading operations in materials where a 3-48 unified fine thread form is required. Typical applications include tapping small-diameter holes in steel, aluminum, and similar metals for machine screws. The 3-48 designation indicates a No. 3 screw size with 48 threads per inch, a fine-pitch thread commonly found in instrument hardware, small electrical enclosures, and light mechanical assemblies. The taper lead makes it well-suited as the first tap used when starting a new hole.

Key Features

• HSS construction provides hardness and wear resistance for cutting threads in common metals
• Taper chamfer distributes cutting load gradually for easier thread starting
• 3-48 thread form matches unified fine thread standard for small-diameter fastener applications
• Lightweight at 0.31 pounds for easy handling during hand-tapping operations
• Minimum order quantity of 1 allows single-unit purchase for job-specific needs

Compatibility

Designed as a standard hand taper tap for use with any tap wrench accepting the appropriate square drive shank, in applications requiring 3-48 unified fine internal threads.

Installation Notes

A licensed machinist or qualified maintenance technician should perform tapping operations following standard shop-safety practices. Secure the workpiece firmly before beginning. Apply cutting fluid appropriate for the workpiece material to reduce friction and extend tap life. Use a tap wrench with a controlled, steady motion and back off periodically to break chips and prevent tap breakage. Never force a tap, as broken taps in small-diameter holes are difficult to remove.

Technical Specifications

• Thread Size: 3-48
• Tap Type: Hand Taper
• Material: High-Speed Steel (HSS)
• Weight: 0.31 pounds

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: HT-348-T-I