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Plastic Rectangular Metric Tube Inserts

Plastic Rectangular Metric Tube Inserts

Finish and protect your rectangular tubing with Plastic Rectangular Metric Tube Inserts, designed to provide a secure internal fit while sealing open ends for a clean, professional result. These blanking inserts help extend the life of box section tubing by preventing contamination and reducing wear in both industrial and everyday applications.

Ideal for fabrication, furniture manufacturing, engineering and DIY projects, they offer a simple, effective way to improve both performance and appearance.

Key Features & Benefits

Effective Tube End Blanking – Seals open rectangular tube ends to help prevent the entry of dirt, dust and moisture, reducing the risk of internal corrosion.

Surface & Impact Protection – Helps prevent scratches, scuffs and damage to floors, equipment and surrounding surfaces.

Precision Push-Fit Design – Manufactured to metric standards for a tight, secure fit and quick, tool-free installation.

Durable Plastic Construction – Strong, lightweight material provides long-lasting performance in indoor and light outdoor environments.

Clean, Professional Finish – Creates a neat appearance for visible structures, frames and finished products.

Extensive Colour Options – Available in a wide range of colours to match branding, identification or design requirements. Please note: some colour options may be subject to minimum order quantities (MOQs).

Ideal Applications

Steel and aluminium rectangular box section frames

Furniture, benches, tables and shelving

Gym, retail and warehouse equipment

Gates, barriers and fabrication projects

Manufacturing, maintenance and general DIY use

Why Choose Indifit?

Indifit products are manufactured to consistent metric specifications, ensuring dependable fit, quality and value across every order. With a wide selection of sizes and colour options available, these rectangular tube inserts provide a versatile solution for both functional protection and visual finishing.

How to Request a Quote
  1. Find the size and product code you need from table below.
  2. Enter product code and quantities required
  3. Click Add To Quote
  4. Repeat on any other product pages as needed.
  5. Once done, submit your quote to our sales team who will be in touch within 1 hour.

Alternatively feel free to call us now on 01279 656189 for an immediate response!

Quantity
View full details
SKU Tube Od Mm Tube Wall Mm Colour Head Thickness Mm Shank Length
BL200100/0820 20 x 10 0.8-2.0 Black 3 11.5
BL200150/1020 20 X 15 1.0-2.0 Black 5 11.5
BL250100/0820 25 X 10 0.8-2.0 Black 3 11.5
BL250150/0825 25 X 15 0.8-2.5 Black 3 11.5
BL300150/0825 30 x 15 0.8-2.5 Black 5 11.5
BL300200/1030 30 X 20 1.0-3.0 Black 5 11.5
BL300250/0830 30 X 25 0.8-3.0 Black 5 11.5
BL350150/1030 35 X 15 1.0-3.0 Black 5 11.5
BL400150/1020 40 X 15 1.0-2.0 Black 5 11.5
BL400200/0830 40 x 20 0.8-3.0 Black 5 11.5
BL400250/1030 40 x 25 1.0-3.0 Black 5 11.5
BL400300/1030 40 X 30 1.0-3.0 Black 5 11.5
BL500200/0830 50 x 20 0.8-3.0 Black 5 14.5
BL500250/0830 50 x 25 0.8-3.0 Black 5 14.5
BL500250/3045 50 x 25 3.0-4.5 Black 5 14.5
BL500300/1532 50 X 30 1.5-3.2 Black 4 15
BL500400/0830 50 X 40 0.8-3.0 Black 5 14.5
BL600200/1030 60 x 20 1.0-3.0 Black 5 14.5
BL600300/1530 60 x 30 1.5-3.0 Black 4 15
BL600400/1030 60 X 40 1.0-3.0 Black 5 14.5
BL600400/2035X 60 X 40 2.0-3.5 Black 4 15.5
BL700200/1020 70 X 20 1.0-2.0 Black 5 14.5
BL700300/1030 70 X 30 1.0-3.0 Black 5 14.5
BL700400/2040 70 x 40 2.0-4.0 Black 5 14.5
BL700500/2040 70 X 50 2.0-4.0 Black 5 14.5
BL750250/1030 75 X 25 1.0-3.0 Black 5 14.5
BL750500/2540 75 X 50 2.5-4.5 Black 5 14.5
BL800300/1025B 80 X 30 1.0-2.5 Black 5 14.5
BL800400/1030 80 x 40 1.0-3.0 Black 5 14.5
BL800400/2540X 80 x 40 2.5-4.0 Black 8.5 24
BL800400/3250 80 x 40 3.2-5.0 Black 8.5 25
BL900500/2045 90 X 50 2.0-4.5 Black 5 21.5
BLH00200/1530 100 X 20 1.5-3.0 Black 5 14.5
BLH00250/1530 100 X 25 1.5-3.0 Black 5 14.5
BLH00300/1535 100 X 30 1.5-3.5 Black 5 14.5
BLH00400/1540 100 X 40 1.5-3.5 Black 5 14.5
BLH00500/1545 100 X 50 1.5-4.5 Black 5 24
BLH00500/2040 100 X 50 2.0-4.0 Black 8.5 16.5
BLH00500/3250 100 X 50 3.2-5.0 Black 6 25
BLH00600/2545 100 X 60 2.5-4.5 Black 6 24.5
BLH10300/2040 110 X 30 2.0-4.0 Black 5 14.5
BLH200600/2040 120 X 60 2.0-4.0 Black 5 24.5
BLH200800/2550 120 X 80 2.5-5.0 Black 6 24.5
BLH200800/5080 120 X 80 5.0-8.0 Black 7 25
  • Best priced trade discounts

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    We offer fast next-day delivery on all in-stock products from our warehouse in the UK. We never charge for minimum orders nor do we have minimum order quantities, so whether it’s a packet of fasteners or bulk quantities you can depend on our speedy next-day delivery to your address.

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  • Decades of experience

  • Huge range of engineering finishing components

  • Best priced trade discounts

  • Fast next day delivery