The QA1 8CS400 is a 2-1/2 in ID chrome silicon coil spring with a 400 lb/in rate and an 8 in free length. It is cold wound, heat treated, and shot peened for strength, consistency, and long life, and both ends are ground square for straight, accurate operation. The spring is polished and chrome plated for appearance, and the free length and rate are marked for quick identification. It is backed by a lifetime guarantee to stay within 2 percent of the original free height and rate under normal use.
Specifications:
- Type: Coil spring
- Spring rate: 400 lb/in
- Free length: 8 in
- Inner diameter: 2-1/2 in ID
- Material: chrome silicon steel
- Finish: polished chrome plated
- Construction: cold wound, heat treated, shot peened
- Warranty: lifetime guarantee within 2 percent of original free height and rate
- Part number: 8CS400
FAQ
What is the spring rate of the QA1 8CS400?
The QA1 8CS400 is rated at 400 lb/in.
What are the dimensions of the 8CS400 spring?
It has an 8 in free length and 2-1/2 in ID.
What finish does the QA1 8CS400 have?
It is polished and chrome plated.
What is the 8CS400 spring made from?
It is made from chrome silicon steel, cold wound, heat treated, and shot peened.
Is the QA1 8CS400 covered by a warranty?
Yes. It carries a lifetime guarantee to remain within 2 percent of the original free height and rate under normal operating conditions.

