This 1/2 in. grip lock keyless chuck withstands the vibration of the hammering action while keeping a firm hold on the bit. This chuck is offered as standard equipment on the Milwaukee hammer drill (model 0513-21). It can be used on any drill or hammer drill with a 1/2 in. capacity.

• 1/2 in. capacity, keyless chuck
• 1/2 in., 20 thread
• Grip-Lok™ chuck prevents slippage when hammer drilling
• Easy replacement