6.35mm to 4mm Magnetic Insert Bit Adapter – Mini Electric Screwdriver Hex Socket Holder (25mm)

The 6.35mm to 4mm Magnetic Insert Bit Adapter is a compact mini socket holder designed to adapt 4mm precision screwdriver bits for use with 6.35mm (1/4-inch) hex electric screwdrivers, drills, and bit holders. Made from durable alloy steel with a built-in magnetic holder, this 25mm adapter provides secure bit retention and efficient torque transfer, making it ideal for precision electronics repair, maintenance, and assembly applications.

Key Features -

• Converts 6.35mm (1/4-inch) hex drive to 4mm precision bits

• Compact 25mm mini design for confined workspaces

• Strong magnetic bit holder for secure bit retention

• Durable alloy steel construction for long service life

• Precision-machined for accurate fit and smooth operation

• Compatible with electric screwdrivers and manual bit holders

• Lightweight and easy to carry

• Suitable for professional and DIY applications

Specifications -

• Product Type - Magnetic Bit Adapter

• Adapter Size - 6.35mm (1/4-inch) Hex to 4mm Socket

• Overall Length - 25mm

• Input Drive Size - 6.35mm (1/4-inch) Hex

• Output Bit Size - 4mm Precision Bit Holder

• Drive Type - HEX

• Magnetic - Yes

• Material - Alloy Steel

• Duty Rating - Mini / Medium Duty

Applications -

• Precision electronics repair

• Mobile phone and tablet servicing

• Laptop and computer maintenance

• Electric precision screwdrivers

• DIY electronics projects

• Precision assembly work

• Watch and optical device repair

• Small appliance maintenance

• Industrial and laboratory servicing