• Plastic square metric tube inserts protecting square tubing ends with a clean, durable push-fit design
  • Plastic square tube inserts for imperial sizes ½”–2” protecting tubing ends and providing a professional finish
  • Medium Duty Nylon Wheel white industrial caster with 100-380 kg load capacity for trolleys and carts
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PLASTIC SQUARE METRIC TUBE INSERTS

PLASTIC SQUARE METRIC TUBE INSERTS

Upgrade the look and durability of your square tube structures with Plastic Square Metric Tube Inserts. Designed to provide a secure internal fit, these inserts protect tubing from damage while delivering a clean, professional finish for furniture, fabrication and structural projects.

Perfect for both trade and DIY use, these inserts are an essential solution for protecting metal or plastic square tubing from wear, impact and contamination.

Key Features & Benefits

Protects Tube Ends – Prevents dirt, moisture and debris from entering open tube sections, helping to reduce internal corrosion and extend product life.

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

Secure Push-Fit Design – Engineered for a tight, reliable fit inside metric square tubing for quick, tool-free installation.

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

Professional Finish – Creates a clean, neat appearance for visible applications and finished products.

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

Ideal Applications

Steel and aluminium square tube frames

Furniture, tables, chairs and shelving

Gym and workshop equipment

Gates, railings and fabrication projects

Manufacturing, maintenance and DIY builds

Why Choose Indifit?

Indifit products are manufactured to consistent metric standards, offering reliable fit, quality and value across every order. With a wide selection of sizes and colour options, our tube inserts provide a flexible solution for both functional protection and visual presentation.

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!
View full details
SKU Colour Tube Od mm Tube Wall mm Head Thickness mm Shank Length mm
BQ100/1020 Black 10 X 10 1.0-2.0 4 10
BQ120/1020 Black 12 X 12 1.0-2.0 4 11.5
BQ130/0520 Black 13 X 13 0.5-2.0 4 11.5
BQ150/0820 Black 15 X 15 0.8-2.0 3 11.5
BQ160/0820 Black 16 X 16 0.8-2.0 5 11.5
BQ180/1020 Black 18 x 18 1.0-2.0 5 11.5
BQ200/0830 Black 20 x 20 0.8-3.0 5 11.5
BQ250/1030 Black 25 x 25 1.0-3.0 5 11.5
BQ280/1030 Black 28 X 28 1.0-3.0 5 11.5
BQ300/1025 Black 30 x 30 1.0-2.5 5 11.5
BQ300/2550 Black 30 x 30 2.5-5.0 5 11.5
BQ320/1035 Black 32 X 32 1.0-3.5 5 14.5
BQ350/1030 Black 35 x 35 1.0-3.0 5 14.5
BQ400/1030X Black 40 x 40 1.0-3.0 5 14.5
BQ400/2640 Black 40 x 40 2.6-4.0 6.5 18
BQ450/1030 Black 45 X 45 1.0-3.0 5 14.5
BQ450/3050 Black 45 X 45 3.0-5.0 5 11.5
BQ500/1025X Black 50 X 50 1.0-2.5 5 11.5
BQ500/0830 Black 50 X 50 0.8-3.0 5 14.5
BQ500/2650 Black 50 X 50 2.6-5.0 6.5 24.5
BQ600/1535X Black 60 X 60 1.5-3.5 5 21
BQ600/2640 Black 60 X 60 2.6-5.0 6.5 17.5
BQ700/2045X Black 70 X 70 2.0-4.5 5 18.7
BQ700/2550 Black 70 X 70 2.5-5.0 8 20
BQ750/2045 Black 75 X 75 2.0-4.5 5 21
BQ800/2045X Black 80 X 80 2.0-4.5 6 21
BQ900/3050 Black 90 X 90 3.0-5.0 6 21
BQH00/1040X Black 100 X 100 1.0-4.0 6 21
BQH00/5080 Black 100 X 100 5.0-8.0 6 23
BQH20/2550 Black 120 X 120 2.5-5.0 5 25
BQH50/5080 Black 150 X 150 5.0-8.0 7 27

Why shop with us?

  • Best priced trade discounts

    Indifit is a leading supplier of industrial components with a reputation for top quality at competitive, affordable prices for your organisation. For pricing and availability of specific items, feel free to browse our online catalogue and reach out to us if you’d like a quotation for a component.

    Create a trade account 

  • Huge range of engineering components

    Finding the right industrial component for your specific application can be a frustrating experience, but it doesn’t have to be. Our guarantee to you is that you’ll always be received by friendly, helpful, and efficient experts. Take advantage of our product and industry expertise to find exactly what you’re looking for.

    Browse our stock 

  • Fast next-day delivery

    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.

    Our delivery options 

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  • Decades of experience

  • Huge range of engineering finishing components

  • Best priced trade discounts

  • Fast next day delivery