78

78

Regular extension spring in Hand Drawn Steel. This spring features an O.D. of 0.875 Inch, an initial tension of 4 Pound, and a spring rate of 7.7 Pound Force per Inch.

Current variant: 78CS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 78
Ends Machine Hook
Finish Zinc
Initial Tension 4 lb
Length 3.5 in
Material Hand Drawn Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 7.7 lbf/in
Sugg Max Deflection 2.8 in
Sugg Max Load 26 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 78
Ends Machine Hook
Finish Zinc
Initial Tension 1.81 kg
Length 88.9 mm
Material Hand Drawn Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 1.35 N/mm
Sugg Max Deflection 71.12 mm
Sugg Max Load 115.65 N
Wind Direction Left
Wire Diameter 2.31 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $5.54
50 - 149 $5.27
150 - 299 $4.99
300 - 499 $4.71
500 - 749 $4.16
750 - 999 $3.61
1000+ Call for price