Features Reliable Overload Protection: Designed to safeguard your equipment, this holder prevents damage during operation, ensuring stability and safe use in demanding environments Precision Machining Accuracy: Crafted with precision-ground and hardened materials, this product guarantees high machining accuracy for optimal performance in your projects Extended Service Life: Engineered for durability, this holder offers a long service life, reducing the need for frequent replacements and saving you time and money Superior Hardness and Strength: Constructed with high hardness materials, this holder resists deformation, maintaining its integrity even under heavy use in various applications Versatile Compatibility: Compatible with GT12 Tapping Tool Holder, Drill Taper Chuck, and Pneumatic Tapping Machines, making it a flexible solution for your machining needs Features: 1、This product is used in machine tool to hold the tapping chuck for female thread hole procing. 2、With overload protection. 3、Precision ground and hardened, high machining accuracy. 4、 in use, long service life. 5、High in hardn, not easy to deform. Specification: Tapping Range: M3-M16 Diameter: 34mm / 1.34in Length: 65mm / 2.56in Material: 40Cr Applicable Chuck: GT12 GT12B TC312 G3 Item Weight: Approx 248g Package Weight: Approx 261g Package List: 1 x Tapping Chuck Holder Package List 1 x Tapping Chuck Holder