Wiha 7018 Z Robertson Screwdriver Bit 2 x 25 mm

The Wiha 7018 Z Robertson screwdriver bit is a precision-engineered tool designed for reliable fastening performance. Crafted from high-grade, through-hardened chrome-vanadium steel, this bit offers exceptional durability and resistance to wear, making it a dependable choice for both professional industrial environments and demanding DIY projects. Its design features a 2 mm tip size and a 25 mm total length, optimized for secure engagement with Robertson square-drive screws.

Advantages

This screwdriver bit stands out due to its robust construction and high-quality material composition, which ensures a long service life even under frequent use. The inclusion of a tapered tip significantly improves user experience by allowing for easier and faster insertion into the screw head, reducing the risk of slippage or damage. Furthermore, the standardized hexagonal shank ensures compatibility with a wide range of bit holders, providing a stable and secure connection for consistent torque transmission during operation.

Suitable for

• Professional assembly tasks
• Industrial maintenance and repair
• General construction and woodworking projects
• DIY home improvement applications

When it may not be suitable

This bit is specifically designed for Robertson square-drive screws and will not function with other screw head types such as Phillips, Torx, or slotted screws. It is not intended for use in high-impact power tools where extreme torque levels could exceed the structural limits of the bit.

Key specifications

• Tip type: Robertson (square)
• Tip size: 2 mm
• Length: 25 mm
• Shank shape: Hexagonal (C 6.3)
• Material: Through-hardened chrome-vanadium steel
• Standards: DIN 3126, ISO 1173

How to use

To use the Wiha 7018 Z bit, insert the hexagonal shank into a compatible 1/4-inch bit holder or screwdriver handle. Ensure the bit is fully seated within the holder to prevent wobbling. Align the tapered tip with the square recess of the Robertson screw and apply steady, forward pressure while turning. Always ensure the bit is perfectly aligned with the screw axis to maintain optimal contact and prevent cam-out.

What to consider before purchase

• Verify that your fasteners are of the Robertson (square) type.
• Ensure your screwdriver or bit holder is compatible with a 1/4-inch hexagonal shank.
• Check the required tip size to ensure it matches your specific screw dimensions.

Usage recommendations

For the best results and to extend the life of the bit, always use the correct size for the screw head and avoid excessive side-loading during the fastening process. Store in a dry environment to prevent corrosion.