Screwdriver bit Proline 58121 — 1/4" drive, length 37 mm, 1 pc

Proline 58121 is a single 1/4" drive screwdriver bit with a length of 37 mm intended for use with standard 1/4" bit holders, manual screwdrivers and compatible power tool chucks. The compact length provides controlled access in confined spaces and improves torque transfer for short, precision fastening tasks. The bit is supplied as one piece and is compatible with common Phillips or flat tip variants where indicated by the tool set or tip marking.

Advantages

The 37 mm length offers a balance between reach and control, making the bit suitable for close-quarter applications while maintaining stability during turning. The 1/4" drive ensures compatibility with a wide range of bit holders and quick-change systems. Being a single, replaceable bit, it serves as a lightweight and economical option for both occasional home repairs and professional use.

Suitable for

• Short assembly and disassembly tasks in tight spaces
• General fastening and repair work on furniture, appliances and electronics
• Use with manual screwdrivers, ratchet bit holders and power drivers with 1/4" chucks

Key specifications

• Drive: 1/4" (6.35 mm)
• Overall length: 37 mm
• Quantity: 1 piece
• Tip type: standardized Phillips or flat (depending on marking)

How to use

Insert the bit into a compatible 1/4" bit holder, quick-change adapter or directly into a screwdriver handle designed for 1/4" bits. Ensure the tip matches the screw head type and size before applying torque. For power tool use, set the driver to an appropriate speed and torque setting to avoid cam-out or screw damage. After use, store the bit in a designated case or holder to prevent wear and loss.

Usage recommendations

Use the bit for short, precision fastening tasks and avoid excessive side load or prying. Match the tip size accurately to screw heads to reduce wear and improve engagement. Replace the bit if signs of rounding or deformation appear.