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646CS - 6 Inch Music Wire Extension Spring

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Regular extension spring in Music Wire. This spring features an O.D. of 0.312 Inch and an initial tension of 0.41 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 646
Ends Machine Hook
Finish Zinc
Initial Tension 0.41 lb
Length 6 in
Material Music Wire
Outside Diameter 0.312 in
Part Type Standard
Rate 0.23 lbs/in
SKU 646CS
Sugg Max Deflection 15 in
Sugg Max Load 3.9 lbf
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 646
Ends Machine Hook
Finish Zinc
Initial Tension 0.19 kg
Length 152.4 mm
Material Music Wire
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.04 N/mm
SKU 646CS
Sugg Max Deflection 381 mm
Sugg Max Load 17.35 N
Wire Diameter 0.74 mm

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