Jacobs 9749 Tap Collet 0.5 Inch Rubber

Product Description

The JACOBS 9749 is a rubber tap collet designed to hold and drive taps during threading operations in machine tool setups. With a collet size of 0.5 inches (12.70 mm) and a minimum collet capacity of 0.28 inches (7.11 mm), it provides a secure, compliant grip on taps across a range of shank sizes. The rubber construction allows for slight compliance that helps protect tap geometry during the tapping cycle. This collet is used in tapping heads and collet chucks where consistent tap retention and alignment are required for threaded hole production.

This collet is suited for use in production and job-shop machining environments where threading operations are performed on drill presses, CNC machining centers, or dedicated tapping machines. It is installed by machinists and toolroom technicians. The 0.5-inch collet size fits standard tap collet holders and tapping heads that accept this bore dimension. Through-coolant is not supported, and this collet is not rated for tension-compression tapping applications.

Key Features

• Rubber collet construction provides compliant grip that helps protect tap shanks during the tapping cycle
• Collet size of 0.5 inches (12.70 mm) for precise tap shank retention
• Minimum collet capacity of 0.28 inches (7.11 mm) accommodates a range of tap shank diameters
• Sold as a single unit, minimum order quantity of one
• No through-coolant passage, suitable for dry or flood-coolant setups where coolant is applied externally

Compatibility

Designed as an OEM-style replacement or direct-fit collet for tap collet holders and tapping heads that accept a 0.5-inch bore collet, consistent with standard tap driving applications in general machining environments.

Installation Notes

Installation is performed by a qualified machinist or toolroom technician. Ensure the tapping head or collet chuck is fully de-energized and the spindle is locked before inserting or removing the collet. Clean the collet bore and holder seat before installation to ensure proper seating and tap alignment. Do not exceed the collet capacity range when selecting taps for use with this collet.