M8 U Bolt, 22mm width (Between Legs), Standard Leg, Mild Steel, Zinc Plated, BS 3974 (UB0015)

M8 U-Bolt to fit 21mm pipe

Manufactured to secure pipework, tubes and bar with an outside diameter of 21mm with precision and durability. The M8 zinc-plated U Bolt is engineered for strength and easy installation, ideal for industrial, automotive, and plumbing applications.

The U bolt comes complete with two metric-threaded nuts ready to go which sees them a popular choice for professional and DIY enthusiasts alike.

M8 U-bolt specification

• Thread diameter (TD): M8 - 8mm
• Width between legs (W): 22mm
• Inside length (L): 46mm
• Thread length (TL): 25mm
• Width between centres (WC): 30mm
• Pipe compatibility: Fits 21mm outer diameter pipes, bar, and tubes
• Material: Mild steel
• Finish: Zinc plated
• Thread Type: Metric for universal compatibility
• Included: 2 matching nuts for secure fastening
  

Part of a growing range of U-bolts available from Fusion Fixings at great prices with bulk price discounts.

FAQs for U-Bolts

What is a U-bolt used for?

A U-bolt is a U-shaped fastener with threaded ends, designed to clamp pipes, tubes, or round bars to a surface or bracket which sees them used in heavily construction.

How do I measure a U-bolt correctly?

Measure the inside width (between the legs) to match your pipe’s outside diameter as this will ensure the U bolt fits over the pipe. Also, measure the overall length / inside height to leave enough thread when it clears and feeds through the mounting surface.

What does “ZP” mean on a U-bolt?

“ZP” stands for zinc plated, meaning the steel is coated for moderate corrosion protection. Zinc plating suits indoor or sheltered outdoor environments in the UK.

Can U-bolts be reused?

Re-using U-bolts is not recommended, especially in safety-critical applications. Threads may stretch or corrode, reducing load capacity.