Parlec 7711-075 Tapping Adapter 3/4 Inch Numertap 700

Product Description

The PARLEC 7711-075 is a tapping adapter designed to hold and drive taps in CNC machining and production tapping applications. Part of the NUMERTAP 700 series, 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 outside shank diameter measures 1.25 inches, and the projection is 0.70 inches. This adapter features quick-change capability, allowing faster tap changes without removing the holder from the spindle. It is installed by machinists and tooling specialists in machine shop environments.

The PARLEC 7711-075 is used in tapping operations on CNC machining centers, turret lathes, and production drilling and tapping machines. It is suited for high-volume threading operations where repeatable tap positioning and quick-change convenience are priorities. The NUMERTAP 700 series is a recognized toolholder platform in production machining, and this adapter fits within that system for 3/4 inch tap applications. Coolant-through capability is not supported on this adapter.

Key Features

• Quick-change design allows tap swaps without removing the holder from the spindle
• Accepts 3/4 inch taps with a 0.59 inch tap shank diameter
• Tap square size of 0.442 inches for positive drive engagement
• Outside shank diameter of 1.25 inches for stable spindle mounting
• 0.70 inch projection for defined tap reach
• Part of the NUMERTAP 700 series toolholder system

Compatibility

Designed for use within the PARLEC NUMERTAP 700 series toolholder system, accepting 3/4 inch taps with a 0.59 inch shank diameter and 0.442 inch square size.

Installation Notes

Installation is performed by qualified machinists or tooling technicians. Ensure the machine spindle is powered down and locked out before changing or seating the adapter. Verify tap shank diameter and square size match the adapter specifications before use. Follow the machine tool manufacturer guidelines for torque and clamping procedures specific to the spindle interface.