Screwdriver bit set Irwin Torx T20 1/4" 25 mm, 10 pieces (10504353)

Irwin screwdriver bit set contains ten Torx T20 bits with a 1/4" hex shank and a length of 25 mm. The bits are designed for use with bit holders, manual screwdriver handles and power drivers that accept 1/4" bits. The compact set is intended for assembly, maintenance and repair tasks that require secure engagement with Torx T20 fasteners and is suitable for both workshop and on-site use.

Advantages

The set provides a consistent Torx T20 tip geometry across all ten pieces, ensuring repeatable fit and reduced cam-out when used with compatible fasteners. The standardized 1/4" hex shank enables quick interchange with common bit holders and powered drivers. The 25 mm length offers a balance between reach and control, making the bits convenient for work in confined spaces while still providing reliable torque transfer.

Suitable for

• Assembly of furniture and fittings that use Torx T20 screws
• Maintenance and repair of appliances and equipment with T20 fasteners
• Automotive and bicycle component adjustments requiring Torx T20 engagement
• General workshop and on-site fastening tasks where a compact bit set is needed

Key specifications

• Tip type: Torx T20
• Shank: 1/4" hex
• Length: 25 mm
• Quantity: 10 pieces
• Compatibility: compatible with standard 1/4" bit holders, screwdriver handles and power drivers

How to use

Select a Torx T20 bit from the set and insert the 1/4" hex shank into a compatible bit holder, manual handle or power driver. Align the Torx tip with the fastener head and apply steady axial pressure while turning to engage the fastener. For powered drivers, use controlled speed and torque settings appropriate for the material and fastener to avoid stripping. After use, store bits back in their case or designated holder to protect tips and maintain readiness for future tasks.

Usage recommendations

For best results, match the Torx T20 bit precisely to the fastener size, avoid excessive torque that can deform the tip or screw head, and maintain clean contact surfaces. Inspect bits regularly for wear and replace any with rounded or damaged tips to ensure consistent engagement and safe operation.