Screwdriver bit holder EINHELL 100400 metal, 25.4/4 mm (1/4 inch) hex shank, 65 mm length

The EINHELL screwdriver bit holder 100400 is a metal quick-release accessory with a 1/4" (25.4/4 mm) hex shank and a total length of 65 mm. It is built to secure standard 1/4" bits in drills and drivers, offering a permanent magnet and spring clip for stable retention and reliable torque transfer. The unit features a one-hand quick-release mechanism with an eject button that enables fast bit changes and straightforward operation in everyday fastening and repair tasks.

Advantages

The metal construction ensures durability and resistance to wear during repeated bit changes. A permanent magnet helps hold bits in place while the spring clip and quick-release function provide secure locking and fast removal when needed. The 1/4" hex shank conforms to the ISO 1173 (E6.3) standard for compatibility with a wide range of chuck adapters and drivers. The compact 65 mm length balances reach and control for common fastening jobs.

Suitable for

Key specifications

How to use

Insert a compatible 1/4" screwdriver bit into the holder until it seats against the magnetic retention. Push the holder's hex shank into the drill or driver chuck or quick-change adapter until it locks. To change the bit, press the eject button and withdraw the bit; the quick-release mechanism allows single-hand operation. Ensure the bit is properly seated before applying torque and choose appropriate bit types for the screw head to avoid slippage and damage.

Recommendations

Use the bit holder with matching 1/4" bits and a tool that accepts ISO 1173 E6.3 shanks. Avoid excessive lateral force or prying motions on the bit while under load. Inspect the magnetic retention and spring clip periodically for wear and clean debris from the holder to maintain consistent performance.