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Century Spring

ZZ3-21CS - 1.25 Inch Spring Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in Spring Steel. This spring features an O.D. of 0.266 Inch and an initial tension of 1 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name ZZ3-21
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 1.25 in
Material Spring Steel
Outside Diameter 0.266 in
Part Type Standard
Rate 7 lbs/in
SKU ZZ3-21CS
Sugg Max Deflection 0.69 in
Sugg Max Load 5.9 lbf
Wind Direction Left
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name ZZ3-21
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 31.75 mm
Material Spring Steel
Outside Diameter 6.76 mm
Part Type Standard
Rate 1.23 N/mm
SKU ZZ3-21CS
Sugg Max Deflection 17.53 mm
Sugg Max Load 26.24 N
Wind Direction Left
Wire Diameter 0.89 mm

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