B18-137

B18-137

Regular extension spring in Spring Steel. This spring features an O.D. of 0.406 Inch, an initial tension of 0.8 Pound, and a spring rate of 4.2 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B18-137
Ends Machine Hook
Finish Zinc
Initial Tension 0.8 lb
Length 1.16 in
Material Spring Steel
Outside Diameter 0.406 in
Part Type Standard
Rate 4.2 lbf/in
Sugg Max Deflection 1.1 in
Sugg Max Load 5.5 lbf
Wind Direction Left
Wire Diameter 0.04 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B18-137
Ends Machine Hook
Finish Zinc
Initial Tension 0.36 kg
Length 29.46 mm
Material Spring Steel
Outside Diameter 10.31 mm
Part Type Standard
Rate 0.74 N/mm
Sugg Max Deflection 27.94 mm
Sugg Max Load 24.46 N
Wind Direction Left
Wire Diameter 1.02 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $2.58
50 - 149 $2.46
150 - 299 $2.33
300 - 499 $2.20
500 - 749 $1.94
750 - 999 $1.68
1000+ Call for price