1mm-16mm Clamping Range Self-Tighten Keyless Drill Chuck 1/2-20UNF Mount

1.Clamping Capacity 1mm-16mm. 2.Self-tightening key-less. 3.Hardened tool high speed steel to insure accuracy and extended chuck life. 4.High precision high gripping force high reliability and stability fit for Industry or household Work. 5.Widely used along with various drill machines milling machines lathes boring lathes and electric hand tools. Specification: Product Name: Keyless Drill Chuck Package Content: 1 x Keyless Drill Chuck Material: High Speed Steel Main Color: Black Silver Tone Weight: 1019g Dimension: 99 x 48mm / 3.9-inch x 1.89-inch (H*D) Clamping Range: 1mm - 16mm Connection Type: 1/2-20UNF Lock Type: Self-Tighten Other Features: Keyless Accuracy: 0.08mm / 0.003-inch Size: 1/2-20UNF Mount