KEY CHUCK

A key chuck is a type of chuck for a drill or rotary tool that uses a key to tighten and loosen the drill bit. Here’s a breakdown of its key features:

• Function: The key chuck uses a toothed mechanism that interlocks with the key. Turning the key tightens or loosens the chuck around the drill bit shank, holding it securely in place.
• Key: The key is a small L-shaped or T-shaped metal piece that fits the teeth of the chuck mechanism.
• • Use: Key chucks are commonly found on lower-cost drills and some higher-torque rotary tools. They are a simple and reliable way to secure drill bits, however they can be slower to use compared to keyless chucks.
  • Advantages:
    • Simpler design: Key chucks are generally less expensive to manufacture than keyless chucks.
    • Durability: The keyed tightening mechanism can be very strong, making them suitable for high-torque applications.
  • Disadvantages:
    • Slower tool changes: Loosening and tightening the chuck requires using the key, which can be time-consuming compared to keyless chucks.
    • Losing the key: A lost key can render the drill unusable until a replacement is found.

  Here are some additional things to consider about key chucks:

  • Key size: The size of the key will correspond to the size of the chuck. A larger chuck will typically use a larger key.
  • Universal keys: Some universal keys are designed to fit a variety of key chuck sizes. These can be handy if you have multiple drills with different key chucks. However, they may not always provide the best fit for each chuck.
  • Alternatives: Keyless chucks are becoming increasingly common, especially on higher-end drills. These chucks use a hand-tightening mechanism for faster tool changes.

• Packing: color box

STOCK NO.	CHUCK CAPACITY	CONNECTION SIZE	QTY./CARTON
79160	1.5-10mm	3/8″-24UNF	50
79161	1.5-13mm	1/2″-20UNF	40