Description
Product Overview
The Pushnut Cap Stud 5/8 is engineered for precision and durability in demanding industrial environments. Crafted from high‑grade spring steel, the fastener offers exceptional tensile strength while maintaining a lightweight profile of just 0.01 pounds per piece. The zinc mechanical finish provides a robust barrier against moisture, chemicals, and abrasive wear, extending the service life of the component even in harsh conditions.
Designed with a unified national thread system, the stud features a 5/8″‑5 thread size and an inside thread of #11/16, delivering a fine‑threaded, unthreaded coverage that ensures a smooth, secure engagement with mating components. The flat head style offers a low‑profile appearance, making it ideal for applications where space is limited or a flush surface is required.
Each package includes two identical caps, allowing for symmetrical installation or redundancy in critical assemblies. The cylindrical shape and 0.63‑inch cutting diameter provide a consistent fit across a wide range of panel thicknesses, while the zinc finish matches standard industrial aesthetics and facilitates easy identification on the job site.
Manufactured by Discount Screws under the Just In Time brand, the product adheres to AN and AS certifications, confirming compliance with rigorous quality and safety standards. The part number PNCAP0508 and model number PNCAP0508 are referenced across industry catalogs, ensuring compatibility with existing inventory systems and simplifying procurement processes.
Beyond its mechanical attributes, the push‑type design eliminates the need for torque tools, reducing installation time and minimizing the risk of over‑tightening. This feature is especially valuable in high‑volume production lines where speed and repeatability are paramount. The pushnut’s quick‑release capability also aids in maintenance, allowing technicians to disassemble and reassemble equipment with minimal effort.
In addition to its functional benefits, the product’s packaging is optimized for protection and convenience. Each 2‑piece set is sealed in a moisture‑resistant pouch, preserving the integrity of the zinc coating during storage and transport. The lightweight nature of the fastener contributes to lower shipping costs, an important consideration for large‑scale projects.
Overall, the Pushnut Cap Stud 5/8 combines material excellence, thoughtful engineering, and user‑centric design to meet the exacting demands of modern industrial applications. Whether used in electrical enclosures, machinery panels, or custom fabricated structures, the fastener delivers reliable performance that engineers and technicians can trust.
Usage
Ideal for a broad spectrum of industrial settings, this pushnut cap stud excels in electrical enclosures where rapid assembly and secure grounding are essential. Its corrosion‑resistant zinc finish ensures long‑term stability in humid or chemically exposed environments, making it a preferred choice for outdoor installations and marine applications.
In manufacturing facilities, the fastener’s push‑type mechanism streamlines the assembly of control panels, reducing labor hours and minimizing the need for specialized tools. This efficiency translates into cost savings and faster time‑to‑market for products that rely on complex wiring and component integration.
Maintenance crews benefit from the easy‑release feature when servicing equipment. The ability to quickly disengage the cap stud without stripping threads or damaging surrounding material simplifies routine inspections, repairs, and upgrades, thereby extending the operational lifespan of the host equipment.
For custom fabricators, the 5/8″ size offers a versatile option that can be incorporated into a variety of designs, from lightweight aluminum frames to heavy‑duty steel structures. The fine thread class provides a tight, vibration‑resistant fit, which is critical in applications subject to dynamic loads or frequent movement.
In the aerospace sector, where weight and reliability are paramount, the pushnut’s low mass and high strength make it suitable for interior paneling and equipment mounting. The zinc coating also meets stringent corrosion standards required for aircraft components.
Automotive manufacturers can employ the fastener in interior trim assemblies, where quick installation and secure fastening are needed without compromising aesthetic appearance. The flat head style blends seamlessly with surrounding surfaces, preserving the vehicle’s interior design integrity.
For DIY enthusiasts and small‑scale workshops, the pushnut provides a user‑friendly solution that eliminates the learning curve associated with traditional threaded fasteners. Its intuitive design encourages proper installation, reducing the likelihood of errors and enhancing overall project quality.
Overall, the Pushnut Cap Stud 5/8 serves a diverse user base, from seasoned engineers to hobbyist builders, delivering consistent performance across a multitude of real‑world scenarios.

Why Choose Us
Choosing the Just In Time Pushnut Cap Stud means selecting a product backed by a legacy of quality and reliability. Our manufacturing processes incorporate rigorous testing at each stage, from raw material selection to final coating application, ensuring that every fastener meets or exceeds industry specifications.
We prioritize customer satisfaction through comprehensive after‑sales support. Our technical team is available to assist with installation guidance, compatibility questions, and troubleshooting, providing peace of mind throughout the product lifecycle.
Environmental responsibility is integral to our operations. The zinc coating used on the pushnut is free from hazardous substances and complies with RoHS directives, allowing our customers to meet sustainability goals without compromising performance.
Our supply chain is optimized for rapid fulfillment, with inventory stocked in multiple distribution centers to guarantee timely delivery. Whether you need a single 2‑piece set or bulk quantities for large projects, we can accommodate your schedule and volume requirements.
Key Features
- High‑strength spring steel ensures long‑lasting durability under load.
- Zinc mechanical finish provides superior corrosion resistance for harsh environments.
- Push‑type design enables quick, tool‑free installation and removal.
- Fine unified thread delivers a secure, vibration‑resistant connection.
- Responsive customer support and fast shipping for all order sizes.
FAQ
What is the recommended torque for this pushnut?
The pushnut is designed for tool‑free installation, so torque specifications are not required. Simply press the stud into the prepared hole until it seats firmly.
Can this fastener be used in outdoor applications?
Yes. The zinc mechanical finish protects the steel from moisture and corrosion, making it suitable for outdoor, marine, and other exposed environments.
Is the product compatible with standard 5/8″ panels?
Absolutely. The 5/8″‑5 thread size and 0.63‑inch cutting diameter are engineered to fit standard 5/8″ panels and similar thicknesses without modification.
How many pieces are included in each package?
Each package contains two identical pushnut cap studs, providing a convenient 2‑piece set for dual‑point installations or spare parts.
What certifications does the fastener meet?
The product holds AN and AS certifications, confirming compliance with recognized industry standards for quality and safety.






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