Swageless Non-Tensioning Cable Fittings: How it Works & How to Install
Swageless non-tensioning cable railing fittings, such as Ultra-Tec's Push-Lock and Pull-Lock options, are designed to anchor cables securely without applying tension. Unlike tensioning fittings, these components do not tighten the cable but instead, serve as a fixed end that relies on a separate tensioning fitting installed on the opposite end of the run. These fittings grip the cable firmly using an internal locking mechanism, ensuring a secure connection while maintaining a sleek, unobtrusive design. Compatible with 1/8" and 3/16" 1x19 stainless steel cables, they are suitable for wood and metal posts and can be used in level or pitched runs.
Because they are not tensioning fittings, swageless non-tensioning fittings must always be paired with a tensioning fitting on the opposite end of the cable to maintain proper tension and structural integrity. Their primary role is to provide a secure, stationary anchor point for the cable. This makes them ideal for applications where a clean, minimal aesthetic is desired, as the fittings are either concealed or designed to be low-profile. Their ease of installation and versatility make them popular for residential and commercial projects seeking reliable, high-quality cable railing systems.
How Swageless Tensioners Simplify Cable Railing Installation
Swageless non-tensioning fittings, such as Ultra-Tec's Push-Lock variations, are specifically designed to simplify cable railing installation by eliminating the need for swaging - a process that permanently compresses a fitting onto a cable using specialized tools. Unlike tensioning fittings, these components do not apply tension to the cable. Instead, they act as stationary anchors, securely gripping the cable using an internal locking mechanism, such as a wedge or jaw system. This design ensures a firm hold while adjusting the cable's tension on the opposite end with a separate tensioning fitting. These fittings are an excellent choice for projects requiring ease of installation and a clean, professional appearance, as they can be quickly installed on-site without heavy equipment.
So, how does the locking-wedge system work?
Ultra-Tec's locking-wedge system is an innovative feature in swageless, non-tensioning fittings that provides a secure and reliable connection between the cable and the fitting. Inside the fitting is a tapered chamber that contains locking wedges or jaws. When the cable is inserted, the locking mechanism clamps down tightly, gripping the cable firmly. However, since these are non-tensioning fittings, they rely on a tensioning fitting on the opposite end of the cable to create the necessary tension for the railing system.
This system eliminates the need for external swaging tools, making installation straightforward and hassle-free. It allows on-site adjustments to ensure the cable is anchored securely while the tension is managed elsewhere in the system. Found in Ultra-Tec's Push-Lock and similar product lines, this locking-wedge system offers exceptional durability and a sleek, minimalist design, making it ideal for residential and commercial cable railing projects.
Swageless Non-Tensioning Cable Fittings: Compatibility & Installation
Swageless non-tensioning cable railing fittings, such as Ultra-Tec's Push-Lock variations, simplify installation by removing the need for swaging, a process that requires specialized tools. These fittings act as stationary anchors, securely gripping the cable with an internal locking mechanism, such as a wedge or jaw system, while relying on a separate tensioning fitting on the opposite end to apply the necessary tension. Ultra-tec's innovative locking-wedge design ensures a secure hold and easy on-site installation without heavy equipment. Each type of Ultra-Tec swageless non-tensioning fitting offers unique compatibilities, which will be outlined before step-by-step installation instructions for each fitting.
Installation Tools and Materials
Installing swageless non-tensioning cable railing fittings requires the right tools and materials to ensure a smooth and professional process. With the proper equipment, you can achieve a secure and polished cable railing system. Key tools and materials include:
- Safety Gear: Always wear gloves and safety glasses to protect yourself during installation.
- Drill and Bits: Use a drill with the appropriate bits to create precise holes in metal or wood posts for cable and fittings.
- Level and Measuring Tape: To ensure accurate alignment, spacing, and placement of your cable runs and fittings.
- Wrenches: For securing non-tensioning fittings such as threaded tabs or mounts to the posts.
- Cable Cutter: For making clean, precise cuts in stainless steel cable to match your required lengths.
- Cable Railing Fittings: Choose your swageless non-tensioning fittings based on your project needs and calculate the necessary quantities of cable and fittings.
Swageless fittings simplify the installation process by eliminating the need for a Swager. Find all the tools you need for installation here: Installation Tools
The Push-Lock is a concealed fitting designed for level runs between metal and/or wood posts, offering a sleek aesthetic and secure functionality. Compatible with 1/8" and 3/16" diameter 1x19 stainless steel cables, this fitting relies on a unique locking-wedge technology to hold the cable firmly in place without needing special tools. A tensioning fitting on the opposite end of the run is required to maintain proper cable tension. The Push-Lock integrates seamlessly into modern railing systems and provides durability while simplifying installation.
Installation Instructions:
- Pre-Drill the Hole: Use a drill to create a hole in your post at the required location and diameter to fit the Push-Lock fitting. Ensure the hole is straight for a snug fit.
- Insert the Washer: For metal posts, insert a Delrin washer into the pre-drilled hole to protect the metal. For wood posts, use a stainless-steel washer for enhanced durability.
- Attach the Push-Lock Fitting: Push the Push-Lock fitting into the hole until it is fully seated. Ensure it is flush with the surface of the post for a clean finish.
- Insert the Cable: Slide the cable into the fitting until it engages the locking-wedge system. Pull gently to ensure the cable is secure.
- Install the Tensioning Fitting: On the opposite end of the cable run, install the appropriate tensioning fitting to tighten the cable.
- Tighten the Cable: Use the tensioning fitting to pull the cable taut. Verify that the cable is securely locked in the Push-Lock fitting.
The Push-Lock Threaded Bolt is an exposed, face-mounted fitting designed for level runs, combining functionality and style. Compatible with 1/8" and 3/16" diameter 1x19 stainless steel cables, it uses a locking-wedge system to secure the cable, eliminating the need for swaging tools. This fitting requires a tensioning fitting on the opposite end and is ideal for metal posts where an external, accessible fitting is preferred.
Installation Instructions:
- Pre-Drill the Post: Drill a hole in the metal post with the appropriate size to accommodate the threaded bolt. Use a drill bit designed for metal to ensure a clean hole.
- Attach the Threaded Bolt: Insert the threaded bolt into the hole and secure it with a Delrin washer. Tighten it until it sits securely and does not wobble.
- Insert the Cable: Push the cable into the open end of the fitting, ensuring it engages with the locking-wedge system. Pull on the cable to confirm it is securely in place.
- Install the Tensioning Fitting: Mount the tensioning fitting at the opposite end of the run to hold the cable taut.
- Adjust Cable Tension: Tighten the cable by adjusting the tensioning fitting. Test the cable's tension and alignment to ensure a professional finish.
The Push-Lock Threaded Clevis is a versatile fitting for both level and pitched runs between metal posts. With compatibility for 1/8" and 3/16" diameter 1x19 stainless steel cables, it uses locking-wedge technology for tool-free installation. The clevis design provides additional flexibility by allowing pitch adjustments, making it ideal for staircases or sloped terrain applications.
Installation Instructions:
- Pre-Drill for the Threaded Clevis: Use a drill to create a hole in the metal post where the clevis will be mounted. Ensure the hole is the correct size for the fitting.
- Secure the Threaded Clevis: Thread the clevis into the pre-drilled hole and tighten it securely. Make sure the clevis is aligned properly if used on a pitched run.
- Insert the Cable: Feed the cable into the clevis fitting, allowing the locking-wedge system to engage and hold the cable in place.
- Install the Tensioning Fitting: Place the tensioning fitting on the opposite end of the run, ensuring it matches the run's requirements.
- Adjust the Pitch and Tension: Adjust the clevis angle for pitched runs as necessary. Tighten the tensioning fitting to secure the cable and verify alignment.
The Push-Lock Lag is a face-mounted fitting specifically designed for level runs on wood posts. Compatible with 1/8" and 3/16" diameter 1x19 stainless steel cables, it features locking-wedge technology for effortless cable installation. This fitting requires a tensioning fitting on the opposite end of the run and is particularly effective for wood posts with or without composite sleeves.
Installation Instructions:
- Pre-Drill into the Wood Post: Drill a pilot hole in the wood post at the required depth and diameter to accommodate the lag screw. If using a composite sleeve, pre-drill the sleeve and the wood post.
- Drive the Lag Screw: Insert the lag screw into the hole and use a wrench or driver to tighten it securely into the post. Ensure it is flush with the surface.
- Insert the Cable: Slide the cable into the other end of the fitting. The locking-wedge system will hold the cable firmly in place.
- Install the Tensioning Fitting: Attach the tensioning fitting to the opposite end of the run.
- Tighten the Cable: Use the tensioning fitting to pull the cable taut. Test the cable to ensure it is secure and properly tensioned.
The Push-Lock with Lag Clevis is a fitting designed for level or pitched runs between wood posts, accommodating 1/8" and 3/16" diameter 1x19 stainless steel cables. Its clevis design allows for pitch angle adjustments, making it a great choice for stairs and sloped installations. The lag version includes an extended option for posts with composite sleeves, providing flexibility for various designs.
Installation Instructions:
- Pre-Drill the Post: Drill a hole into the wood post at the required size and depth for the lag clevis. For composite sleeves, drill through both the sleeve and the post.
- Insert and Secure the Lag Clevis: Thread the lag clevis into the post using a wrench. Tighten it until it is firmly seated and properly aligned for the desired pitch.
- Insert the Cable: Feed the cable into the clevis fitting, allowing the locking-wedge system to secure it in place.
- Install the Tensioning Fitting: Mount a tensioning fitting on the opposite end of the run to ensure proper cable tension.
- Adjust the Pitch and Tighten the Cable: Fine-tune the angle of the lag clevis for pitched runs as necessary. Use the tensioning fitting to tighten the cable securely.
The Pull-Lock is a versatile fitting designed for quick and convenient installation on level or pitched runs. Compatible with 1/8" and 3/16" diameter 1x19 stainless steel cables, it allows the cable to pass through before cutting, simplifying adjustments. The Pull-Lock must be paired with a tensioning fitting on the opposite end and can be used with wood or metal posts.
Installation Instructions:
- Pre-Drill the Hole: Drill a hole into the post (metal or wood) at the required height and diameter to accommodate the Pull-Lock fitting.
- Insert the Washer: For metal posts, insert a Delrin washer; for wood posts, use a stainless-steel washer to protect the fitting and post surface.
- Install the Pull-Lock Fitting: Push the Pull-Lock fitting into the hole and ensure it is seated properly.
- Thread the Cable Through the Fitting: Pass the cable through the Pull-Lock fitting, ensuring it exits the opposite end.
- Tighten and Secure the Cable: Pull the cable taut and allow the locking-wedge system to grip the cable.
- Cut the Cable and Cap: Trim the excess cable, then secure the fitting with a lock nut or cover cap for a polished finish.
- Install the Tensioning Fitting: Place the tensioning fitting at the opposite end of the run and adjust the cable tension.
The Push-Lock with Concrete Anchor Bolt is a robust fitting designed for level runs on concrete surfaces. It works with 1/8" and 3/16" diameter 1x19 stainless steel cables, requiring a tensioning fitting on the opposite end. Its locking-wedge technology ensures secure cable installation, while a concrete anchor provides a reliable connection.
Installation Instructions:
- Pre-Drill the Concrete: Use a masonry drill bit to create a hole in the concrete surface at the specified depth and diameter for the anchor bolt.
- Insert the Concrete Anchor: Place a concrete anchor (we recommend the Red Head Concrete Anchor, which can be found at most hardware retail stores) into the hole. Hammer it into place until it is firmly seated.
- Install the Push-Lock Fitting: Thread the Push-Lock fitting into the anchor bolt and tighten it securely.
- Insert the Cable: Slide the cable into the fitting until the locking-wedge system engages and holds it securely.
- Install the Tensioning Fitting: Mount the tensioning fitting at the opposite end of the run to ensure proper cable tension.
- Tighten the Cable: Adjust the tensioning fitting to pull the cable taut. Verify that the installation is secure and visually aligned.
Swageless, non-tensioning cable railing fittings simplify the process of securing cables while ensuring strength, durability, and a clean, modern aesthetic. Following the installation steps outlined in this guide, you can confidently create a stable and visually appealing railing system tailored to your space. Perfect for residential and commercial settings, these fittings offer a straightforward and reliable solution, eliminating the need for traditional swaging tools and processes.
Installing errors can still occur Despite their ease of use. Failing to pair these fittings with proper tensioning hardware can result in a loose and unstable system. At the same time, improper alignment or insufficient cleaning and preparation of the cables can affect both performance and lifespan. Avoiding these common mistakes ensures a seamless installation process and a long-lasting, professional-quality result.
Have Questions or Want to Learn More about Cable Railing Fittings & Installation?
Explore the different types of cable railing fittings and their installation methods in our comprehensive Fittings Guide, along with a wealth of informational and instructional content available in our Resources Hub. If you have any questions, don't hesitate to reach out - our knowledgeable and friendly sales team is always here to assist you!