Parlec 7716-144 Tapping Adapter Numertap 770

Product Description

The PARLEC 7716-144 is a quick-change tapping adapter designed for use with rigid and floating tap holders in CNC machining and production tapping applications. It features a 1.233-inch tap shank diameter and a 0.925-inch tap square size, making it suited for medium-to-large tap sizes common in production environments. The adapter belongs to the NUMERTAP 770 series and is installed by machinists and toolroom technicians setting up tapping cycles on machining centers, CNC lathes, and dedicated tapping machines.

This adapter is used in production and job-shop environments where quick-change tooling systems reduce setup time between tapping operations. The NUMERTAP 770 series is built for high-volume tapping cycles where repeatable tap alignment and secure shank engagement are required. It is compatible with machine tools configured for NUMERTAP 770 series tooling and is a standard component in multi-spindle and single-spindle tapping setups.

Key Features

• Quick-change design reduces tap changeover time in production tapping setups
• 1.233-inch tap shank diameter accommodates medium-to-large tap sizes
• 0.925-inch tap square size provides positive rotational drive engagement
• 2.25-inch projection suits standard toolholder-to-workpiece clearance requirements
• 1.25-inch outside shank diameter for secure retention in compatible toolholders
• Part of the NUMERTAP 770 series for consistent performance across the system

Compatibility

Designed for use within the PARLEC NUMERTAP 770 series quick-change tapping system. Verify tap shank diameter and square size against the specific tap being used before installation.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians familiar with quick-change tapping systems. Ensure the machine spindle is fully stopped and all power is locked out before changing or seating tapping adapters. Confirm shank engagement and retention are secure before initiating any tapping cycle. Refer to the machine tool manufacturer and PARLEC NUMERTAP 770 system documentation for torque and retention specifications.