--- product_id: 73429670 title: "Caplugs P-48 P Series Plastic Threaded Plug for Pipe Fittings, HD-PE, to Plug Thread Size 1/2\" NPT, Tapered & Straight, Temporary Seals, Thread Protection, Leak Prevention, Red (Pack of 50)" brand: "caplugs" price: "£37.88" currency: GBP in_stock: true reviews_count: 1 category: "Caplugs" url: https://www.desertcart.co.uk/products/73429670-caplugs-p-48-p-series-plastic-threaded-plug-for-pipe store_origin: GB region: United Kingdom --- # Economical pack of 50 1/2 NPT size Contaminant protection Caplugs P-48 P Series Plastic Threaded Plug for Pipe Fittings, HD-PE, to Plug Thread Size 1/2" NPT, Tapered & Straight, Temporary Seals, Thread Protection, Leak Prevention, Red (Pack of 50) **Brand:** caplugs **Price:** £37.88 **Availability:** ✅ In Stock ## Summary > 🔒 Seal the Deal with Confidence! ## Quick Answers - **What is this?** Caplugs P-48 P Series Plastic Threaded Plug for Pipe Fittings, HD-PE, to Plug Thread Size 1/2" NPT, Tapered & Straight, Temporary Seals, Thread Protection, Leak Prevention, Red (Pack of 50) by caplugs - **How much does it cost?** £37.88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/73429670-caplugs-p-48-p-series-plastic-threaded-plug-for-pipe) ## Best For - caplugs enthusiasts ## Why This Product - Trusted caplugs brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Savings:** Economically priced pack of 50, perfect for professionals looking to stock up without breaking the bank. - • **Versatile Fit:** Designed for both tapered and straight threads, ensuring compatibility across various applications. - • **Durable Material:** Constructed from high-quality PE-HD for long-lasting performance in demanding environments. - • **Easy Installation:** User-friendly design allows for quick and hassle-free installation, saving you time on the job. - • **Ultimate Protection:** Effectively keeps out contaminants, safeguarding your pipe fittings from dirt and debris. ## Overview The Caplugs 99390176 Plastic Threaded Plug is a reliable solution for protecting pipe fittings. Designed for 1/2 NPT sizes, this pack of 50 plugs is made from durable PE-HD material, ensuring a tight seal against contaminants while offering exceptional value for professionals in need of quality and efficiency. ## Description Available in tapered and straight styles, Caplugs P Series Plastic Threaded Plugs for NPT/NPS Pipe Fittings are red-colored plugs designed to seal the threaded ends of pipe fittings, protecting the internal threads of the fittings from dust, dirt, debris, moisture and other pollutants. Our P Series plugs can be utilized in a multitude of industries for various processes and applications, such as masking, painting, plating and coating, and for temporary sealing of threaded ends during assembly and testing of pipe fittings, transportation and storage of fittings and during pipe and valve maintenance. Caplugs P Series Plastic Threaded Plugs for NPT/NPS Pipe Fittings are offered in different sizes and six different styles to fit tapered (NPT) and straight (NPS) threads. This specific model (99390176) fits the following thread style and size with the follwoing dimensions: NPT 1/2" x 0.56" Plug Head x 0.59" Thread Length x 0.84" Total Length. Caplugs P Series Plastic Threaded Plugs for NPS Pipe Fittings are constructed from high-density polyethylene (HD-PE), a lightweight thermoplastic polymer known for its high strength, density and durability. It is exceptionally resistant to a wide range of chemicals, including acids, bases and solvents, as well as resistant to environmental stress cracking and corrosion. It has a service temperature range of 0° F (-18° C) to 215° F (102° C). Caplugs prides itself on its extensive line of premium products that are suitable for a plethora of industries, from aviation to medical, general manufacturing and everything in-between. At Caplugs, we provide the broadest range of solutions and the highest quality parts right when you need them. Our teams work diligently to ensure consistent results, with more engineers on staff, processes for creative solutions and molding experts for reliable quality. Review: awesome - In Fl these plastic plugs dry out fall apart in a water well seal. These are heavier built quality and so far we are impressed with them. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B077D813L5 | | ASIN | B077D813L5 | | Best Sellers Rank | #168,947 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #245 in Protective Caps | | Brand Name | Caplugs | | Color | Red | | Connector Type | Plug | | Customer Reviews | 4.5 4.5 out of 5 stars (19) | | Date First Available | November 13, 2017 | | Item Weight | 0.01 Pounds | | Item model number | 99390176 | | Manufacturer | Caplugs Inc. | | Manufacturer | Caplugs Inc. | | Material Type | PE-HD | | Model Number | 99390176 | | Number of Pieces | 50 | | Package Dimensions | 6.57 x 5.55 x 2.17 inches; 0.18 ounces | | Size | To plug thread size 1/2 NPT" | | Thread Size | 1/2 | | Thread Type | NPT | | Unit Count | 50.0 Count | ## Product Details - **Brand:** Caplugs - **Color:** Red - **Connector Type:** Plug - **Item Weight:** 0.01 Pounds - **Manufacturer:** Caplugs Inc. - **Material:** PE-HD - **Number of Pieces:** 50 - **Size:** To plug thread size 1/2 NPT" - **Thread Size:** 1/2 - **Thread Type:** NPT ## Images ![Caplugs P-48 P Series Plastic Threaded Plug for Pipe Fittings, HD-PE, to Plug Thread Size 1/2" NPT, Tapered & Straight, Temporary Seals, Thread Protection, Leak Prevention, Red (Pack of 50) - Image 1](https://m.media-amazon.com/images/I/51CscWHPO-L.jpg) ![Caplugs P-48 P Series Plastic Threaded Plug for Pipe Fittings, HD-PE, to Plug Thread Size 1/2" NPT, Tapered & Straight, Temporary Seals, Thread Protection, Leak Prevention, Red (Pack of 50) - Image 2](https://m.media-amazon.com/images/I/51h8RzRZQIL.jpg) ![Caplugs P-48 P Series Plastic Threaded Plug for Pipe Fittings, HD-PE, to Plug Thread Size 1/2" NPT, Tapered & Straight, Temporary Seals, Thread Protection, Leak Prevention, Red (Pack of 50) - Image 3](https://m.media-amazon.com/images/I/516JDV4FrSL.jpg) ![Caplugs P-48 P Series Plastic Threaded Plug for Pipe Fittings, HD-PE, to Plug Thread Size 1/2" NPT, Tapered & Straight, Temporary Seals, Thread Protection, Leak Prevention, Red (Pack of 50) - Image 4](https://m.media-amazon.com/images/I/41O4TDnDnqL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ awesome *by P***R on March 1, 2024* In Fl these plastic plugs dry out fall apart in a water well seal. These are heavier built quality and so far we are impressed with them. ## Frequently Bought Together - Caplugs 99390176 Plastic Threaded Plug for Pipe Fittings. P-48, PE-HD, to Plug Thread Size 1/2 NPT", Red (Pack of 50) - Caplugs 99390174 Plastic Threaded Plug for Pipe Fittings. P-28, PE-HD, to Plug Thread Size 1/4 NPT", Red (Pack of 100) - Caplugs 99390175 Plastic Threaded Plug for Pipe Fittings. P-38, PE-HD, to Plug Thread Size 3/8 NPT", Red (Pack of 100) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/73429670-caplugs-p-48-p-series-plastic-threaded-plug-for-pipe](https://www.desertcart.co.uk/products/73429670-caplugs-p-48-p-series-plastic-threaded-plug-for-pipe) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-16*