Wera 05066510001 Tamperproof Torx Bit 1/4 in Drive T20

Product Description

The WERA 05066510001 is a T20 tamperproof Torx screwdriver bit designed for use with 1/4 inch hex drive tools. The tamperproof profile features a center pin bore that engages security Torx fasteners found in restricted-access assemblies, electronics enclosures, and commercial equipment panels. At a compact overall length of 1 inch, this bit seats cleanly in standard 1/4 inch bit holders, impact-rated adapters, and quick-change chucks. Electricians, HVAC technicians, and field service pros reach for this type of bit when servicing equipment secured with tamper-resistant hardware.

This bit is suited for light-duty and precision fastening applications where T20 security Torx fasteners are specified. Common use cases include servicing control panels, appliance enclosures, and commercial HVAC equipment with tamper-resistant fastener requirements. The 1/4 inch hex shank is the universal drive size for handheld screwdrivers, bit holders, and power tool chucks across residential and commercial service work.

Key Features

• T20 tamperproof Torx profile engages center-pin security fasteners
• 1/4 inch hex shank fits standard bit holders and quick-change chucks
• 1 inch overall length suits compact spaces and inline drivers
• Designed for field service on equipment with tamper-resistant hardware

Compatibility

Designed as a direct-fit replacement bit for any 1/4 inch hex drive bit holder, screwdriver handle, or power tool chuck accepting standard 1/4 inch shank bits and requiring a T20 tamperproof Torx profile.

Installation Notes

This bit is installed by a qualified technician into a 1/4 inch hex bit holder or driver. Ensure the fastener head is fully seated on the bit before applying torque to avoid cam-out or fastener damage. When servicing electrical or HVAC equipment, de-energize and lock out the equipment per applicable NEC or local electrical codes before removing any fasteners. Do not use impact drivers unless the bit is rated for impact use.