Threaded Caps & Thread Protectors
Discover our comprehensive range of high-performance threaded caps, sealing caps and thread protection solutions designed for demanding industrial applications across the UK. From hydraulic sealing to general thread protection, our HDPE and LDPE threaded caps deliver unmatched reliability for BSP, Metric and UNF thread standards.
Threaded caps, sealing caps, and thread protection caps are essential industrial components designed to protect threaded connections, prevent contamination, and ensure system integrity across many common industrial applications. At Vital Parts, we supply premium quality threaded sealing caps, thread protection caps, BSP caps, metric caps, and UNF caps manufactured from high-performance HDPE and LDPE materials.
Our Thread Protection Solutions
Professional grade caps for every industrial application

Threaded Sealing Caps
Airtight Seal with Neoprene Gasket
High-performance HDPE sealing caps with internal neoprene rubber sealing disks for leak-proof protection. Available in BSP, Metric, and UNF thread standards for hydraulic, pneumatic, and fluid systems requiring airtight seals.
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Threaded Protection Caps
Non-Sealing Thread Protection
Durable LDPE protection caps designed to safeguard threads from dirt, dust, moisture, and mechanical damage during production, storage, and transport. Available in Metric, BSP, and UNF threads with knurled grips for easy installation.
View Protection CapsIndustrial Applications
Our threaded caps and thread protectors serve critical functions across multiple industries
Hydraulic Systems
Protect hydraulic fittings and prevent fluid contamination in heavy machinery
Pneumatic Systems
Seal air lines and protect pneumatic connections from dust and moisture
Oil & Gas Industry
Ensure leak-proof sealing of pipelines and equipment during transport and storage
Automotive Manufacturing
Protect threaded components during painting, coating, and assembly processes
Logistics & Transportation
Secure container and barrel caps during shipping and storage operations
General Engineering
Versatile thread protection for manufacturing, finishing, and maintenance applications
Why Choose Vital Parts for Your Threaded Caps?
Over 20 years of expertise in rubber and plastic components
Quality Guaranteed
Premium materials sourced from trusted manufacturers, rigorously tested for consistency and performance in demanding applications.
Extensive Stock Range
Over 50,000+ components in stock with sizes from 1mm to 200mm+ diameter. Over 8.2 million custom parts supplied in 2024.
Technical Expertise
Our experienced UK-based Technical team provides free advice on product selection, materials, sizing, and application-specific requirements.
Business Account Perks
Test before buying with our free sample service. Unlock trade discounts, flexible credit payment terms, and dedicated account management for business customers.
Fast Delivery Options
View real-time stock inventory and get same-day dispatch for orders before 4pm, next-day delivery available, plus Saturday delivery options for urgent requirements.
Custom Solutions
Bespoke manufacturing services for unique applications. Custom colours, materials, and sizes to meet your exact specifications.
Complete Guide to Threaded Caps, Sealing Caps & Thread Protection Solutions
Our comprehensive range of threaded caps and thread protectors serves critical functions in hydraulic systems, pneumatic applications, oil and gas operations, and automotive manufacturing throughout the UK. Whether you need airtight sealing caps with neoprene gaskets for leak-proof hydraulic connections, or general protection caps to safeguard threads during production and transport, our expert team can guide you to the optimal solution for your specific thread requirements.
Industrial sealing applications require reliable, pressure-resistant threaded sealing caps that can withstand harsh operating environments while providing secure fluid containment. Our HDPE sealing caps are supplied with internal neoprene sealing disks. These excel in demanding conditions, offering superior chemical resistance and leak prevention for hydraulic and pneumatic systems, while our durable LDPE protection caps provide cost-effective thread protection for use during manufacturing, finishing, and storage processes.
For businesses requiring regular supplies of BSP threaded caps, metric threaded caps and UNF threaded caps, we offer competitive trade pricing, dedicated account management, and flexible credit payment terms. Our UK-based customer service and Technical teams are on hand to provide free product support. This ensures that you select the optimal cap specifications for your specific thread type, whether you need BSP/GAS thread caps, metric thread protection, UNF/JIC sealing caps, or custom thread protection solutions for specialised applications.
Ready to Get Started?
Request your free sample pack today or speak with our technical team about your specific requirements
Browse Threaded Caps Call 01233 713 581
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