Eagle Cutting Tool HT-30000-8-T-I Hss Hand Taper Tap 3in 8TPI

Product Description

The EAGLE CUTTING TOOL HT-30000-8-T-I is a 3-inch, 8 threads-per-inch (TPI) hand taper tap manufactured from high-speed steel (HSS). Taper taps are designed to start threads in a hole with gradual cutting action, distributing the cutting load across several leading threads for easier entry. This tap is suited for threading operations in materials such as steel, cast iron, and similar metals. Machinists, pipefitters, and maintenance technicians use hand taper taps for manual threading with a tap wrench or adjustable handle in both production and field repair work.

This tap is appropriate for applications requiring a 3-inch, 8 TPI thread form, commonly encountered in heavy industrial, structural, and maintenance contexts where large-diameter fastener threads must be cut or re-chased. It is suited for use in machine shops, fabrication environments, and field service situations where hand tapping of large-diameter holes is required. The taper entry geometry makes it particularly useful when starting a thread in a blind or through hole where thread alignment and controlled entry are critical.

Key Features

• HSS construction provides hardness and wear resistance for threading steel and ferrous materials
• Taper geometry distributes cutting load gradually across leading threads for easier thread starting
• 3-inch diameter, 8 TPI specification suits heavy industrial and structural threading applications
• Hand tap design compatible with standard tap wrenches and adjustable tap handles
• Import-grade tool offering a cost-effective option for maintenance and low-frequency threading tasks

Compatibility

Designed for use with standard tap wrenches and adjustable handles sized for large-diameter hand taps. Intended for manual threading operations in through holes or blind holes requiring a 3-inch, 8 TPI thread form.

Installation Notes

Hand tapping should be performed by a qualified machinist or skilled tradesperson using appropriate cutting fluid to reduce friction and extend tool life. Ensure the workpiece is securely clamped before beginning the threading operation. Advance the tap with steady, even pressure and back off periodically to break chips and prevent tap binding. Do not force the tap if resistance increases significantly, as breakage of a large-diameter tap in a workpiece can result in costly recovery operations.

Technical Specifications

• Thread Diameter: 3 inches
• Thread Pitch: 8 TPI
• Tap Type: Hand Taper Tap
• Material: High-Speed Steel (HSS)
• Weight: 6.3 pounds
• Minimum Order Quantity: 1

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: HT-30000-8-T-I