Threaded Caps

Threaded Caps, also referred to as thread protection caps, threaded plastic caps, or end cap threaded fittings, are commonly used to protect threaded components during transport, storage, and finishing processes. Used primarily by professionals across the manufacturing, engineering, and maintenance sectors, these caps are vital for preserving the integrity of threads and preventing contamination or damage.

Our range includes Metric, BSP, and UNF thread types to suit a wide variety of applications and fittings. These caps are manufactured from high-quality plastic (typically LDPE) and are available in multiple sizes, colours, and designs to fit both standard and custom specifications.

We also offer similar protection solutions such as Threaded Sealing Caps and Driveshaft Caps for other specialist applications.

Key Product Features & Benefits:

• Durable LDPE plastic construction for long-lasting protection
• Designed for easy hand or tool installation and removal
• Helps prevent corrosion, impact damage, and debris ingress
• Available in a variety of thread styles: Metric, BSP, UNF
• Options for colour coding and custom sizing available

Common UK Use Cases:

• Protecting exposed threads on pipework during site transit
• Masking threads in painting and powder coating applications
• Sealing hydraulic and pneumatic system ports in transport
• Covering bolts and rods in machinery to prevent corrosion
• Blanking off threaded openings during equipment servicing

Need help selecting the right cap? Call our sales team on 01233 713 581 for quick quotes, same-day dispatch, and support with custom sizing or bulk discount pricing. You can also register for a Vital Parts business account to receive priority shipping, trade pricing, free product samples, credit purchasing, and a dedicated account manager.