Jacobs K5 Chuck Key

Jacobs K5 Chuck Key is used on 20N Chucks. A soft steel handle limits the potential for dangerous fracturing under excessive loads. The self-ejecting models with spring-loaded ejectors ensure key disengagement after tightening.

• Nickel thumb grip styles increase leverage and user comfort
• Never apply extensions, pliers, wrenches or ‘cheaters’ of any kind to chuck key handles
• Do not subject chuck key handles to hammer or other impact blows
• T-handle
• Used on 20N chucks