• Shank Type: Straight Shank
• Shank Diameter (Decimal Inch): 0.3675
Complete range of flexible collet tap chucks for tapping machines and portable tappers. Simplify tap changing and provide unmatched accuracy. • Designed for use with the versatile Jacobs® Rubber-Flex® collet which accepts and precisely centers both decimal and metric shank diameters • Simple operation - one quarter turn of chuck screw allows nut to disengage back jaws • Tap shank sighting hole presents full view of tap square during changeovers • Each chuck, with one interchangeable Rubber-Flex® collet, handles a wide range of tap sizes to speed tap size changes • Positive-drive chuck jaws always locate square of tap shank to ensure superior performance • Available with choice of Jacobs®, round or square hole mounts