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Most Popular Sizes in Square Plastic End Caps

The most popular sizes for square plugs blanking inserts are 20x20mm, 25x25mm, 30x30mm, 40x40m, 50x50mm, 60x60mm and 80x80mm. They are used in the manufacture of chairs and as replacements for broken ones. The blanking inserts are made of polyethylene LDPE (plastic). They are characterized by low abrasion, high stability at low temperatures, and very good chemical resistance. They are resistant to UV rays. Polyethylene has good electrical insulating properties. Square blanking plugs are widely used in structures made of steel profiles such as:

  • square profiles
  • square tubes
  • box sections

They are called plastic end caps, plastic bungs and even plastic blanking inserts.
They are used in the furniture industry, machines and devices, elements of equipment for children’s playgrounds.
Standard colors: black, gray and white

CLICK HERE to visit our store with square plugs
Square Tube Inserts 1

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About Us

Trebork LTD
Is a company that distributes plastic articles. Our offer includes several hundred articles applicable in many industries. All our plastic end caps / bungs for square, rectangle and round pipes, tubes, profiles, hollow section and Box sections are of excellent quality and made of the best quality materials. TREBORK Ltd is a dynamically developing company on the UK market, as evidenced by the group of satisfied and returning customers. Offering your professionalism and commitment – we invite you to cooperate!

Get In Touch

Can’t find what you’re looking for?
9 North Walk Stoke-on-Trent ST3 6DB UK
07792 721 016