Wiha 39188 Torx Tamper Resistant Screwdriver Bit T10, 90 mm

The Wiha 39188 Torx Tamper Resistant screwdriver bit is a professional-grade tool designed for precision and durability in demanding environments. Measuring 90 mm in length, this T10 bit features a specialized center hole, making it ideal for working with tamper-resistant security screws. Constructed from high-quality chromium-vanadium steel, it ensures long-lasting performance and reliability for both trade and industrial applications.

Advantages

This screwdriver bit offers exceptional robustness and precision, ensuring consistent results during fastening tasks. The inclusion of clear, contrasting laser markings allows for quick and simple identification of the profile size, which helps save time during busy work schedules. Furthermore, the bit is engineered to provide optimal rotation characteristics, contributing to more stable and efficient fastening processes.

Suitable for

• Industrial maintenance and assembly
• Professional trade applications
• Fastening security screws with a center pin
• Tasks requiring extended reach due to the 90 mm length

When it may not be suitable

This bit is specifically designed for T10 Torx security screws and may not be compatible with standard Torx fasteners that lack the center pin. It is not intended for heavy-duty impact driving applications that exceed the torque limits of standard manual or power-assisted screwdriver bits.

Key specifications

• Bit type: Torx Tamper Resistant
• Size: T10
• Length: 90 mm
• Material: Chromium-vanadium steel
• Drive compatibility: 1/4 inch

How to use

To use the Wiha 39188 bit, insert the hexagonal end into a compatible 1/4 inch bit holder or screwdriver handle. Ensure the bit is fully seated before applying pressure to the screw head. Align the bit carefully with the tamper-resistant Torx screw, ensuring the center pin of the screw fits into the hole of the bit. Apply steady, even pressure while turning to prevent cam-out and ensure a secure fit.

What to consider before purchase

• Verify the screw head size matches the T10 specification
• Confirm that the fastener is a security Torx type with a center pin
• Ensure your tool handle or power driver accepts 1/4 inch bits

Usage recommendations

For optimal longevity and performance, always use the correct size bit for the fastener and avoid using the bit as a prying tool. Store in a dry environment to maintain the integrity of the steel.