twist lock cable head end fitting guide

In mechanical control cable systems, the cable head—also known as the control head or end fitting—is as vital as the cable itself. A Twist-Lock cable head provides manual locking via a quarter-turn T-handle mechanism and functions as the primary interface between the operator and the system.

This page focuses on the Twist-Lock control head as a component, offering insights into:

• Internal structure and locking mechanism

• Mounting styles and panel installation

• Output end configurations (threaded, grooved, U-fork)

• Key applications in real-world systems

Looking for complete cable assemblies? Visit the Phidix Twist-Lock Main Page.

Locking Mechanism: Internal Structure

The defining feature of a Twist-Lock cable head is its quarter-turn mechanical lock. When the T-handle is rotated, a locking collar engages with internal detents or grooves, effectively preventing movement until the handle is manually unlocked.

This mechanism eliminates position drift caused by:

• Engine vibrations

• Accidental bumps

• Rebound from spring-actuated systems

The lock holds securely without requiring additional springs or clamps.

Mounting & Installation Styles

Phidix offers multiple mounting solutions to accommodate various OEM and retrofit needs:

• Threaded Front Nut Mount – Reliable and easy to install

• Snap-In Plate Mount – Tool-free installation for faster assembly

• Rear Bracket Mount – Ideal for integration into pre-fabricated housings

Available handle options:

• Black T-handle (standard for general use)

• Red coded T-handle (for choke, PTO, or engine stop functions)

Output End Configurations

Phidix Twist-Lock heads can be paired with several output end designs to match different mechanical systems:

Custom pairings of inner core type, end fitting, and cable length are available upon request.

Common Applications

Twist-Lock cable heads are frequently used as modular locking interfaces in systems that require secure, manual position control. They are commonly found in:

• Diesel engine throttle cables

• Engine stop and fuel shutoff controls

• PTO activation mechanisms

• Choke knobs on marine and recreational vehicles

• Manual valve positioners in industrial systems

Additionally, they are offered as replacement end fittings, compatible with many standard push-pull cable assemblies.

Related Products & OEM Customization

Phidix offers a comprehensive selection of:

• Standalone Twist-Lock cable heads (no cable included)

• Complete cable assemblies featuring Twist-Lock handles

• OEM-ready configurations with customizable:

• Handle colors

• Locking tension settings

• Mounting types

• Output end styles

Learn more about our Twist-Lock End Fitting Options

Phidix Motion Controls (PMC) | Exclusive Authorized Cablecraft Motion Controls (CMC) Assembler in China

Company Profile

Established in 2004 as Shanghai Phidix Trading Co., Ltd., PMC became the sole authorized assembler of Cablecraft Motion Controls (CMC) in China in 2011. CMC, formerly a subsidiary ofthe century-old Tuthill Group, is a global leader in high-end drivetrain solutions for aerospacemilitary, and heavy machinery industries.

Core Competencies

• Exclusive Authorization: Manufacturing, assembly, sales, and technical support of CMC.certified products, including control flexible shafts, cab units, and standard mechanicalcomponents.
• Integrated Operations: R&D through the Phidix Multi-functional Development Center(PMDC), localized production, and global export services.
• Mission-Critical Applications: Deployed in luxury buses (shift controls), constructionmachinery (hydraulic valves), military tanks (brake systems), and rail transportation.

Product Portfolio

• Control flexible shafts |Throttle cables | Clutch cables
• Brake lines Valve actuators |Standard drivetrain components

Technical Heritage

Leveraging CMC's engineering expertise (originating from Tuthill Group) and PMC's localizedproduction capabilities, we deliver precision solutions for high-end industrial markets, including Luxury buses, heavy trucks, aerospace, construction machinery, rail transport, agricultural machinery, gardening equipment, racing cars, military vehicles, tanks, etc.

About products

Global business

Today, thousands of personalized products designed and produced by PMC in China are selling to all over the world.