B3-20

B3-20

Regular extension spring in Hand Drawn Steel. This spring features an O.D. of 0.312 Inch, an initial tension of 2 Pound, and a spring rate of 6.4 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B3-20
Ends Double Loop
Finish None
Initial Tension 2 lb
Length 2.5 in
Material Hand Drawn Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 6.4 lbf/in
Sugg Max Deflection 1.3 in
Sugg Max Load 11 lbf
Wind Direction Left
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B3-20
Ends Double Loop
Finish None
Initial Tension 0.91 kg
Length 63.5 mm
Material Hand Drawn Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 1.12 N/mm
Sugg Max Deflection 33.02 mm
Sugg Max Load 48.93 N
Wind Direction Left
Wire Diameter 1.14 mm

Inventory Status

Low Stock

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Quantity Price
1 - 49 $3.36
50 - 149 $3.20
150 - 299 $3.03
300 - 499 $2.86
500 - 749 $2.52
750 - 999 $2.19
1000+ Call for price