Caplugs is the leading manufacturer of plastic product protection

Caplugs line of protective closures are used in a wide range of industries to keep items protected during shipment and storage. They are also used to keep open ports free of contaminants, protect delicate threads or finish your product by covering rough edges, exposed bolts, and exposed pipe ends. With more than 9,000 standard parts and 400,000,000 parts in stock, Caplugs can solve all of your product protection needs.

Hydraulics

Thousands of caps, plugs and covers to protect components from debris and damage. Learn more »

Masking

Caps, plugs, tapes, discs and more designed to withstand finishing process temperatures up to 500° F and beyond. Learn more »

Pipe & Flange

Hundreds of pipe caps and flange covers in stock and ready to ship. Learn more »

Packaging

Plastic containers, tubing, netting and more. Learn more »

Medical

Comprehensive custom molding capabilities with an in-house cleanroom. Learn more »

Automotive

Thousands of stock and custom parts designed to meet the needs of the industry. Learn more »
Click above to view
our full line of Caps
- Plastic Caps
- Tapered Caps
- Threaded Caps
- Masking Caps
- Tear Tab Caps
- Tethered Caps
- NPT Fitting Caps
- Load Bearing Caps
- Vented Caps
- Aluminum Caps
- Paper Caps
- Silicone Caps
Click above to view our full line of Plugs

- Tapered Plugs
- Threaded Plugs
- MetricThreaded
- Domed Plugs
- Flush Fitting Plugs
- Pull Tab Plugs
- Quick Connect
- Masking Plugs
- Aluminum Plugs
- Silicone Plugs
Click above to view our full line of Tubes and Containers
- Closed end tubes
- Open end tubes
- Round Tubes
- Square Tubes
- Clear Tubes
- Colored Tubes
- Vial Containers
- Hinged Lid Containers
Click above to view our full line of vinyl parts

- Vinyl Caps
- Vinyl Plugs
- Vinyl Hanger Caps
- Vinyl Anti-Roll Caps
- Vinyl Flange Covers
- Vinyl O-Rings
- Vinyl L Caps
- Vinyl I Caps
- Vinyl Grips
- Vented Caps
- Vinyl Pull Caps
Click above to view our Netting
- Flat Sheet Netting
- Bottle Web Netting
- Cylinder Netting
- Heavy Duty Netting
- Standard Duty Netting
- Light Duty Netting
Click above to view our full line of wraps
- High Temp Masking Tape
- Masking Discs
- Silicone Masking Tape
- Vinyl Shipping Wrap
Click above to view our full line of edge liners

- Sheet Metal Edge Liner
- Plastic Grommets
- Snap Bushings
- Universal Bushings
Caplugs Engineers can design a part to fit your needs. From part design and prototyping to production and shipment, Caplugs is your solution provider.





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