Extension Spring

Extension Spring
Spring resisting tensile loads with hooks.
100
Minimum order quantity: 100 piecesFrom: $0.08 - $4
Specifications
Specifications
application / industryAutomotive, Equipment
direction of windingRight Hand
end typeHook, Loop, Eye
free length (mm)2030405075100150
heat treatmentStress Relieved
inner diameter id (mm)4, 6, 8, 10, 12, 16, 20
load at specified length (n)5–300
load typeExtension
materialMusic Wire, Carbon Steel, Stainless Steel
mounting styleHooked
number of active coils8, 10, 12
operating temperature (°c)-40 to 120
outer diameter od (mm)6, 8, 10, 12, 16, 20, 25, 30
solid length (mm)—
spring functionEnergy Storage
spring rate (n/mm)0.5–30
spring shapeCylindrical
standard / specificationASTM A228
surface finish / coatingZinc Plated, Black Oxide
wire diameter (mm)0.6, 0.8, 1, 1.2, 1.6, 2, 2.5, 3, 4