Hormann Garage Door Spring No. 777 (replacement)

4 × outer springs + 4 × inner springs - complete set (8 pcs)

? What do you get?

A complete set of springs for a full replacement on both sides of the gate:

• 4 × L665 outer springs – mounted on the outer shaft
• 4 × L705 inner springs – mounted inside the cassette

This is a complete set, ready for installation in a gate with the designation no. 777 / N777.

? Why buy from us?

• Complete set for two sides of the gate (8 pieces)
• Compatible with Hörmann N777
• High quality workmanship – factory dimensional repeatability
• You replace the entire set at once – less frequent need for repeated service intervention
• Product from a technical spring manufacturer – Max Serwis

❗ Important information about installation

Gate springs operate under high tension. Installation should be performed by an experienced person or service technician.

In our previous listing, we offered a set of 4 springs (2 outer + 2 inner) — a set for one side of the gate.

This listing is a full set for two sides — for gates that have springs on both sides.

Need more springs/different sizes?

Please visit our other auctions and contact us directly!!!

MANUFACTURER

You are buying directly from the spring manufacturer!!

MANUFACTURER OF TECHNICAL SPRINGS

We are a manufacturer of technical springs and wire products. We produce extension, compression, torsion, spiral springs, as well as rings, protective casings and wire elements – according to a sample, drawing or description.

We fulfill both single pieces and serial production. We focus on dimensional repeatability, quality control, and suitability for application.