Wera Hex Screwdriver Bit 4 mm Size, 0.25 mm Hex Drive Size, 89 mm Overall Length 05059643001

Wera 05059643001 Hex Screwdriver Bit is a precision-engineered hand tool with a 4 mm tip size and an overall length of 89 mm. It uses a 0.25 mm Hex drive, designed for secure and accurate fastening of tamper-proof socket head screws used in industrial and mechanical environments.

The Hex-Plus profile increases the contact surface inside the screw head, significantly reducing notching and preventing damage to the screw during operation. This feature extends the life of socket head screws, making the bit ideal for repeat use in manufacturing, assembly, and maintenance.

The bit is made from ductile, tough material capable of handling hard materials reliably and is compatible with hexagon socket BO screws that have a protruding pin for unauthorized loosening prevention. It fits into holders manufactured per DIN ISO 1173-F 6.3 standards, with a 1/4" hexagon shank size.

Compliant with ISO 1173-F standards, this Wera bit offers dependable quality and performance. It is suitable for professional use in industries such as manufacturing, mechanical assembly, fluid power tools, and general-purpose maintenance tasks.

The Hex-Plus profile minimizes notching and screw head damage. Compliance with ISO 1173-F ensures reliable dimensions and fit. Toughness supports use in hard material fastening. Fits 1/4" hexagon holders per DIN ISO 1173-F 6.3.

Secures tamper-proof hexagon socket screws with protruding pin. Compact 1-piece design for convenient, precise application. Compatible with several major brand tool holders.

Perfect for industrial, mechanical, and fluid power tool applications, this high-quality Wera screwdriver bit offers durability and precision. Choose this for reliable torque transfer in all demanding fastening tasks.

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