Self-tightening, key-less. Hardened tool steel to insure accuracy and extended chuck life. High precision, high gripping force, high reliability and stability, fit for Industry or househole Work. Widely used along with various drill machines, milling machines, lathes, boring lathes and electric hand tools.

Self-tightening, key-less. Hardened tool steel to insure accuracy and extended chuck life. High precision, high gripping force, high reliability and stability, fit for Industry or househole Work. Widely used along with various drill machines, milling machines, lathes, boring lathes and electric hand tools.