2-Pack 6.35mm to 4mm Magnetic Hex Bit Adapter – Screwdriver

$7.37 $8.48

2-Pack Magnetic Hex Bit Adapter – 1/4" (6.35mm) to 4mm Screwdriver Bit Holder

Expand your screwdriver's versatility with this compact 6.35mm to 4mm Magnetic Hex Bit Adapter. Whether your electric or manual screwdriver accepts standard 1/4" hex shank bits and you need to use smaller 4mm bits, this adapter bridges the gap effortlessly. Crafted from durable chrome-vanadium steel, it delivers lasting performance under repeated use. The built-in magnet keeps your bits securely in place, preventing drops and saving time on the job. Each pack includes 2 adapters so you always have a spare handy.

Made in Mainland China.

Key Features

Universal Compatibility: Fits any 1/4" (6.35mm) hex shank screwdriver handle — electric or manual
4mm Bit Ready: Accepts 4mm screwdriver bits for precision micro work
Magnetic Tip: Built-in magnet holds bits firmly for one-handed operation
Chrome-Vanadium Steel: Tough, corrosion-resistant construction for long-lasting use
Double-End Design: Versatile adapter with two functional ends
Compact & Portable: Total length of just 45mm — easy to carry in any toolbox or bag
Pack of 2: Two adapters included for backup or dual-tool setups

Specifications

Material	Chrome-Vanadium Steel
Color	Silver
Input Shank	1/4" Hex (6.35mm)
Output Bit Size	4mm
Total Length	45mm
Magnetic	Yes
Package Quantity	2 Adapters
Origin	Mainland China

What's in the Box

2 × 6.35mm to 4mm Magnetic Hex Bit Adapter

Related Tools You May Like

Note: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances of ±1mm.

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What screwdrivers are compatible with this 6.35mm to 4mm hex bit adapter?

A: This magnetic hex bit adapter is compatible with any electric or manual screwdriver that accepts a standard 1/4" (6.35mm) hex shank bit. Simply insert the adapter into your screwdriver's chuck and you can then use any 4mm screwdriver bit.

Q: Is the magnetic holder strong enough to keep 4mm bits from falling out?

A: Yes. The built-in magnet in the adapter is designed to hold 4mm screwdriver bits securely during use, allowing for smooth one-handed bit changes and preventing accidental drops while working.

Q: What material is this screwdriver bit adapter made from?

A: The adapter is constructed from chrome-vanadium steel, which is known for its toughness, durability, and resistance to wear and corrosion — making it suitable for regular professional or DIY use.