Feature:1. Support floating and telescoping, effectively protecting the tap, the front can float 5mm, and the rear can float 6mm2. Made after quenching and hardening, possess high concentricity and good processing effect3. Knife handle body is made of 20CrMrTi steel, fully carburized and heat treated, and the inner and outer diameters are ground to enhance wear resistance and stable performance4. The required tapping quality can be achieved with ordinary chuck, suitable for all kinds of machine taps, very practical5. Collet chuck holder come with stable structure, excellent performance and long service lifeSpecification:Item Type: Collet Chuck holderMaterial: 20CrMrTi steelPurpose: CNC lathe tappingHardness: HRC48-55Surface: >0.08mmAdapter Chuck: ER32Applicable Taps: M2-M30Front Float: Approx. 5mm / 0.2inRear Float: Approx. 6mm / 0.24in.Package List:1 x Collet Chuck holderNote:This product is made of metal, please do not place the product in an environment that is too corrosive, humid and high temperature!