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Century Spring

81018CS - 4 Inch Music Wire Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in Music Wire. This spring features an O.D. of 1 Inch and an initial tension of 6 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 81018
Ends Full Loop
Finish None
Initial Tension 6 lb
Length 4 in
Material Music Wire
Outside Diameter 1 in
Part Type Standard
Rate 29 lbs/in
SKU 81018CS
Sugg Max Deflection 2.3 in
Sugg Max Load 73 lbf
Wind Direction Left
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 81018
Ends Full Loop
Finish None
Initial Tension 2.72 kg
Length 101.6 mm
Material Music Wire
Outside Diameter 25.4 mm
Part Type Standard
Rate 5.08 N/mm
SKU 81018CS
Sugg Max Deflection 58.42 mm
Sugg Max Load 324.7 N
Wind Direction Left
Wire Diameter 3.18 mm

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