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D-1221 - 4 Inch Chrome Alloy Die Spring

Inventory Status
Limited Availability
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

4 Inch Chrome Alloy die spring

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Average Life Deflection Force 61 lb
Brand Century Spring
Deflection For Average Life 0.8 in
Deflection For Long Life 1 in
Display Name D-1221
Duty Load Medium
Finish None
Finish Color Red
Free Length 4 in
Hole Size 0.625 in
Long Life Deflection Force 76 lb
Material Chrome Alloy
Maximum Deflection 1.48 in
Maximum Deflection Force 112 lb
Measurement Units Standard
Rate 76 lbs/in
Rod Size 0.3428 in
SKU D-1221CS
Wire Diameter 0.117 in x 0.081 in
Specs (in metric)
Label Value
Average Life Deflection Force 27.66 kg
Brand Century Spring
Deflection For Average Life 20.32 mm
Deflection For Long Life 25.4 mm
Display Name D-1221
Duty Load Medium
Finish None
Finish Color Red
Free Length 101.6 mm
Hole Size 15.88 mm
Long Life Deflection Force 34.47 kg
Material Chrome Alloy
Maximum Deflection 37.59 mm
Maximum Deflection Force 50.79 kg
Measurement Units Standard
Rate 13.31 N/mm
Rod Size 8.71 mm
SKU D-1221CS
Wire Diameter 2.97 mm x 2.06 mm

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