Robust 16mm Drill Key

A sturdy 16mm chuck key built for long-term use with standard-thread drill chucks. Measuring precisely to 16mm thread specification and weighing 42 grams, it delivers reliable engagement with the chuck’s drive socket. Its mechanical design supports both fine adjustments and firm clamping — essential for accurate bit alignment and stable drilling in variable substrates. Particularly suited for contractors and home users needing a dependable spare after loss or wear. No electronics, no calibration — just straightforward, repeatable functionality aligned with UK and EU power tool standards.