Tension (Extension) Springs
 
Tension Spring
 
Tension springs are made from different qualities of wire and are tightly coiled. The spring stretches when bearing force. The ends are formed into hooks for easy assembly into the target product. The springs are usually made in round, cylindrical sections while the hooks can be round, half-round, U- or V-shaped or square.
 

Coned end Without Hook

Diagonal Hook

Double Twisted Full Loop

English Hook

Extended Loop_U Hook

German Hook

Half Loop

Offset Hook

Special Hook

Special Loop

Square Hook

V Hook

Swivel Hook_before

Swivel Hook_after

Non Cylindrical &Double Twisted Full Loop

Double Twisted Full Loop on Side

Zero Initial Tension Spring

Coned End with Swivel Bolt

 
TYPE OF EXTENSION SPRING ENDS
TYPE OF ENDS