Parlec 20-075 Tapping Adapter 3/4 in Tap Numertap 200

Product Description

The PARLEC 20-075 is a tapping adapter designed for use with the NUMERTAP 200 quick-change tapping system. It accepts a 3/4 inch tap with a tap shank diameter of 0.59 inches and a tap square size of 0.442 inches. The adapter features a flange diameter of 1.89 inches and an outside shank diameter of 1.22 inches, with a projection of 0.43 inches. This adapter is installed by machinists and CNC operators working with tapping heads that require precise, repeatable tool changes in production environments.

The PARLEC 20-075 is suited for use in tapping operations where quick-change tooling is required to reduce changeover time. It fits into NUMERTAP 200 series tapping chucks and is appropriate for both production and job-shop machining environments. The adapter is sized for 3/4 inch taps, making it a practical choice for threading operations in medium to larger bore applications.

Key Features

• Compatible with NUMERTAP 200 quick-change tapping system
• Accepts 3/4 inch taps with 0.59 inch shank diameter
• Tap square size of 0.442 inches for positive drive engagement
• Quick-change design for fast, repeatable tool swaps
• Flange diameter of 1.89 inches for secure seating
• No coolant-through configuration

Compatibility

Designed for use with PARLEC NUMERTAP 200 series tapping chucks accepting a Size 2 adapter with 3/4 inch tap capacity.

Installation Notes

Installation should be performed by a qualified machinist familiar with quick-change tapping systems. Ensure the tapping head and spindle are fully powered down and at a complete stop before inserting or removing the adapter. Verify the tap square engagement is fully seated in the adapter drive socket before initiating any tapping cycle. Follow the machine tool manufacturer guidelines for torque limits and rpm settings appropriate to the tap size and material being threaded.