Collis Tool 70333 3/8 Inch Pipe Tap MT3 Taper Shank Driver

Product Description

The COLLIS TOOL 70333 is a 3/8 inch pipe tap with an MT3 taper shank, designed for standard tapping operations in pipe thread applications. It features a 1.13 inch tap entry depth and a 2-5/16 inch projection, providing the reach needed for reliable thread cutting in a range of workpiece configurations. The tap shank diameter measures 0.7 inches with a tap shank square of 0.531 inches, ensuring a secure, torque-resistant fit in compatible tapping drivers and machine spindles. Weighing 1.7 pounds, this tool is built for use in machining environments where consistent pipe thread quality is required.

This tap driver is suited for threading 3/8 inch pipe connections in metalworking and fabrication shops, as well as maintenance environments where tapping machine spindles accept an MT3 taper shank. It is commonly used by machinists, pipefitters, and maintenance technicians working on pipe thread applications in industrial or commercial settings. The MT3 taper shank interface allows direct mounting in drill presses, lathes, and tapping machines equipped with a matching Morse taper receiver.

Key Features

• 3/8 inch pipe tap size for standard pipe thread cutting
• MT3 taper shank for direct, secure spindle mounting
• 1.13 inch tap entry depth for controlled thread engagement
• 2-5/16 inch projection provides adequate reach for most workpiece setups
• 0.531 inch tap shank square resists rotation under torque
• Compact 1.7 pound weight suitable for bench machine use

Compatibility

Designed for use with tapping machines, drill presses, and lathes equipped with an MT3 Morse taper spindle receiver and compatible with 3/8 inch pipe tap tooling.

Installation Notes

Installation and operation should be performed by a qualified machinist or maintenance technician familiar with taper shank tooling. Power down and lock out the machine spindle before mounting or removing the tap. Ensure the MT3 taper shank and spindle socket are clean and free of debris before seating the tool to prevent runout or slippage during operation. Follow applicable shop safety procedures and machine manufacturer guidelines when setting feed rate and cutting fluid application.