#4 INVERTED TORX SOCKET - Apex Tool Group

The Apex Tool Group #4 Inverted Torx Socket, an E4 (External Torx) socket, is a professional-grade tool engineered for specialized fastening applications across automotive and industrial sectors. Designed to engage with external star-shaped Torx fasteners, this socket features a 1/4-inch square drive, ensuring seamless compatibility with standard ratchet and extension systems. Constructed from high-hardness chrome vanadium steel, it delivers exceptional strength and wear resistance for demanding work environments. A polished chrome finish provides superior corrosion resistance, contributing to the tool's extended longevity and professional appearance.

Key Features

• External Torx Profile (E4): Specifically designed to precisely engage E-type (external) Torx fasteners, which feature a star-shaped protrusion rather than a recessed pattern, crucial for specific automotive and machinery components.
• Durable Chrome Vanadium Steel: Manufactured from high-hardness chrome vanadium steel (Cr-V) for robust strength and excellent wear resistance, ensuring reliable performance in demanding professional use.
• Precision Machining: Ensures an exact and snug fit over corresponding external Torx bolt heads, which helps to prevent stripping or rounding of fasteners during high-torque applications.
• Corrosion-Resistant Polished Chrome Finish: A polished chrome coating provides defense against rust and corrosion, extending the tool's lifespan and maintaining its high-quality finish.
• Chamfered Lead-in: Engineered for smooth and quick insertion onto fasteners, enhancing operational efficiency for technicians.

Applications

This E4 Inverted Torx Socket is an essential tool for professional technicians and mechanics working with external Torx fasteners in various industries. It is commonly employed in automotive repair for critical tasks involving engine components, transmission systems, suspension assemblies, and vehicle bodywork, particularly on European-manufactured vehicles where these fasteners are prevalent. The socket is also indispensable for working on certain General Motors ignition switches. Beyond automotive, its precise design makes it suitable for electronics, industrial machinery, aerospace applications, medical devices, and precision instrumentation where precise torque control and tamper resistance are vital.

Specifications

• Size: E4 (External Torx)
• Drive Size: 1/4-inch Square Drive
• Material: Chrome Vanadium Steel
• Finish: Polished Chrome
• Length: Approximately 23mm to 25mm (1 inch)