1/4" Hex Shank Keyed Drill Chuck 1/2-20UNF Mount Conversion Adapter Chuck For Fixing Drilling

Label:Yes [Wide Clamping Range] Clamping range from 1.5 to 13 mm, with 1/2 20 UNF mounting threads at the back of the chuck for easy installation. [Quick Change Adapter] The 1/4 inch hex shank adapter converts an electric screwdriver into a power drill or grinder for quick bit changes and versatile tasks. [Strong Gripping Force] A specialized thrust bearing converts key applied torque into strong and reliable gripping power. [Durable Clamping Jaws] The clamping jaws are specially treated for strong wear performance and long term durability. [Keyed 3 Jaw Design] The classic keyed 3 jaw chuck securely holds a wide range of twist drill bits for convenient use.

Specification: Material: 45 Steel Color: Black Clamping Range: 1.5-13mm Mounting thread: 1/2-20UNF Specification(optional):Hex shank(1/4"),Rand shank(SDS) Package list: 1 x Drill Chuck 1 x Key 1 x Shank Adapter