Omega Products - Hex Key Drill Chucks - B16 - 0.3mm - 16mmHex Key Drill Chucks are a high quality tool used for drilling tasks. These chucks are designed to securely hold hex shank drill bits, which makes them ideal for use in high speed drilling applications. They are made from durable materials, such as hardened steel, which provides long lasting performance and durability. These drill chucks are available in a range of sizes and can be easily fitted onto drill machines or similar equipment. The hex key