SEIWEI 60mm Hex Shank Drill Bit Extension Screwdriver Bit Holder Extension Rod Self-Locking Drill Bit Holder Quick Release Chuck Adapter Connector Power Drill Tool

Self-Locking 1/4" Drill Bit Holder — Quick-Release Bit Extension for Power Tools

Perfect Size & Universal Fit

This 1/4" hex self-locking drill bit holder measures 60mm (2.36in) in length and 23mm (0.90in) in width. Both the hex shank and socket are 6.3mm / 1/4", making it compatible with electric drills, screwdrivers, impact drivers, and air wrenches for fast and secure bit changes.

Pop-Up Quick Release Design

The built-in high-quality spring allows the connector to lock the bit firmly as soon as it is inserted. Press the connector to instantly pop the bit out, saving time and improving efficiency during continuous work.

Easy 3-Step Installation

1. Pull down the self-locking head.
2. Insert the bit.
3. Release— the sleeve automatically locks into place.
Simple, practical, and perfect for beginners and professionals.

Durable High-Hardness Iron

Made of premium iron with high hardness, corrosion resistance, and rust resistance. This extension rod withstands heavy use and provides long-lasting service life even in demanding work environments.

Wide Application for Professionals

Ideal for mechanics, electricians, furniture installers, and DIY enthusiasts. Quickly connects to drills, screwdrivers, air wrenches, and more—perfect for attaching hex bits, Phillips bits, socket adapters, and other accessories to boost efficiency.

Specifications

FAQ

1. What tools is this compatible with?
Electric drills, screwdrivers, impact drivers, air wrenches, and more.

2. Does it hold bits securely?
Yes. The built-in spring provides strong self-locking performance.

3. Can beginners install it easily?
Absolutely — installation is quick and beginner-friendly.

4. Will it rust?
No. The iron body features rust- and corrosion-resistant treatment.

5. Does it save time?
Yes! The quick-release pop-up system dramatically improves workflow.