Bonnell Springs for Mattress Manufacturing
Bonnell springs are biconical spirals with 5 to 6 turns, interconnected by a metal mesh or structural frame. They are made from rolled and knotted high-carbon steel wire, fully lubricated, and manufactured in compliance with ASTM A-407, JIS-G3521, TS Standards 2500-1, and EN 10270-1.
RECOMMENDED IN USES
These springs are primarily used in the production of various types of mattresses
Available standard sizes:
|
Size |
Width |
Length |
Perimeter frame |
Spiral |
Spring diameter |
|
Individual |
97 |
187 |
4.12mm – 4.88mm |
1.29mm – 1.40mm |
1.9mm – 2.40mm |
|
Matrimonial |
137 |
187 |
4.12mm – 4.88mm |
1.29mm – 1.40mm |
1.9mm – 2.40mm |
|
Queen |
149 |
197 |
4.12mm – 4.88mm |
1.29mm – 1.40mm |
1.9mm – 2.40mm |
|
King |
197 |
197 |
4.12mm – 4.88mm |
1.29mm – 1.40mm |
1.9mm – 2.40mm |
