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Century Spring

ST12-91CS - 0.75 Inch O.D. Long Compression Spring

Inventory Status
Estimated Lead Time

Long-length compression spring in 302/304 Stainless Steel. This spring features an O.D. of 0.75 Inch, and an I.D. of 0.568 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name ST12-91
Finish None
Inside Diameter 0.568 in
Length 20 in
Material 302/304 Stainless Steel
Measurement Units Standard
Outside Diameter 0.75 in
Pitch 0.2 in
Product Image ST12_91CS
Rate 66 lbs/in
Rate Constant 5.5 lbf
SKU ST12-91CS
Solid Length Constant 0.5 in
Solid Length Per 0.5 lb
Suggested Max Load 35 lbf
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name ST12-91
Finish None
Inside Diameter 14.43 mm
Length 508 mm
Material 302/304 Stainless Steel
Measurement Units Standard
Outside Diameter 19.05 mm
Pitch 5.08 mm
Product Image ST12_91CS
Rate 11.56 N-mm
Rate Constant 963.2 N
SKU ST12-91CS
Solid Length Constant 12.7 mm
Solid Length Per 0.23 kg
Suggested Max Load 155.68 N
Wire Diameter 2.31 mm

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