Compression Springs Regular

KK-91CS - 1.44" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 10 coils and closed & ground ends. This spring features an O.D. of 0.781", and an I.D. of 0.661".

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Standard

Metric

Specs (in standard)
Label	Value
Brand	Century Spring
Display Name	KK-91
Ends	Closed & Ground
Finish	Zinc
Free Length	1.44 in
Inside Diameter	0.661 in
Material	Spring Steel
Outside Diameter	0.781 in
Part Type	Standard
Rate	6.2 lbs/in
SKU	KK-91CS
Solid Length	0.6 in
Suggested Max Deflection	0.84 in
Suggested Max Load	5.2 lbf
Total Coils	10
Wire Diameter	0.06 in

Specs (in metric)
Label	Value
Brand	Century Spring
Display Name	KK-91
Ends	Closed & Ground
Finish	Zinc
Free Length	36.58 mm
Inside Diameter	16.79 mm
Material	Spring Steel
Outside Diameter	19.84 mm
Part Type	Standard
Rate	1.09 N/mm
SKU	KK-91CS
Solid Length	15.24 mm
Suggested Max Deflection	21.34 mm
Suggested Max Load	23.13 N
Total Coils	10
Wire Diameter	1.52 mm

The KK-91 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The KK-91CS compression spring is designed with a free length of 1.38" total of 27 coils, and a rate of 4.9 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The KK-91 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.