Fineline Fabrications

4 Leaf 45mm x 8mm Eye to Eye Spring - 635mm - Centre Pin - Rated 550KG NFF

  • Sale
  • Regular price $73.00
Tax included. Shipping calculated at checkout.

This is a special order item. Excluded from Free Freight. Pick up from Richmond NSW 2753 or please contact us for a freight quote.

4 Leaf x 45mm x 8mm BLACK Powder Coated Centre Pinned SHACKLE SPRING 635mm 1100KG PER PAIR

45mm x 635mm shackle eye to eye spring. Also known as a short shackle spring. Black powder-coated or Galvanised (sold here).

  • 25 inch (635mm)
  • 45mm x 8mm Leaf Spring
  • 9/16 inch shackle bolt diameter.
  • 2 x 9/16″ Nylon bushes
  • Camber 100mm

Tandem trailer uses short shackle centre springs or standard offset shackle springs. Suits 13″ and 14″ wheels only.

How are springs rated?
Firstly, springs are tested by cyclic compression in a hydraulic press to maximum compression.

Maximum compression is approximately 50mm. After several hours of successful testing, the spring is then a rated.

Spring Ratings
4 Leaf 550kg
4 Leaf 550kg – Galvanised
5 Leaf 650kg – Galvanised
Center pinned means the centre bolt locates at the centre of the spring.