Screwdriver bit Wiha 28596R — Torx Plus tip, 4 mm hex, 175 mm length

Wiha 28596R is a single screwdriver bit that combines a Torx Plus tip with a 4 mm hex shank and a 175 mm overall length. The extra slim blade geometry and extended length are designed to reach fasteners in confined or narrow access areas. The tip features Wiha ChromTop® finish for consistent fit, and the MagicSpring® holding feature secures Torx® screws without a magnet.

Advantages

The bit’s extra slim blade and 175 mm length provide improved access to recessed or obstructed fasteners. High-quality chrome-vanadium-molybdenum steel with through-hardening and chrome plating ensures durability and corrosion resistance. Colour-coding aids quick identification, and the MagicSpring® holding feature keeps Torx® screws in place during positioning.

Suitable for

• Assembly work where longer reach is required
• Maintenance and repair in tight or recessed spaces
• Driving Torx Plus fasteners and 4 mm hex fittings with compatible bit holders
• Precision tasks that require controlled fastening

When it may not be suitable

This single bit is intended for use with compatible bit holders, bit drivers or screwdrivers and is not a complete multi-bit tool. It is not designed for heavy-impact applications or use with impact drivers unless specified by the tool holder manufacturer. For extremely high torque or repeated impact use, a purpose-made impact-rated bit is recommended.

Key specifications

• Tip type: Torx Plus
• Shank: 4 mm hex
• Overall length: 175 mm
• Blade geometry: extra slim for narrow access
• Material: chrome-vanadium-molybdenum steel, through hardened, chrome-plated
• Tip finish: ChromTop® for precise fit
• Fastener retention: MagicSpring® holding feature (non-magnetic)
• Colour coding: light green

How to use

Insert the 4 mm hex shank into a compatible bit holder or screwdriver. Position the Torx Plus tip into the fastener and allow the MagicSpring® feature to retain the screw while you align it. Apply steady, controlled torque appropriate for the fastener and application. After use, store the bit in a suitable holder to protect the tip.

What to consider before purchase

• Compatibility with your bit holder or screwdriver (4 mm hex drive)
• Whether 175 mm length and extra slim geometry suit the access constraints of your tasks
• Required tip type (Torx Plus) and whether it matches your fasteners
• Intended use: not specified as impact-rated — check if impact use is necessary

Usage recommendations

Use with a suitable bit holder and avoid impact tools unless confirmed compatible; keep the ChromTop® tip clean to maintain precise fit and use the MagicSpring® feature for single-handed screw placement in tight spaces.