Hard Drawn Extension Spring - P/N 640

Part Number 640
Outside Diameter (in.) 0.625
Inside Diameter (in.) 0.501
Overall Length (in.) 11.000
Wire Diameter (in.) 0.062
Rate (lbs./in.) 0.74
Load (lbs.) 8.51
Deflection at Load (in.) 8.36
Initial Tension (lbs.) 2.32
End Style MACHINE
End Type LOOP
Material HARD DRAWN
Finish PLAIN
5 Piece Minimum Order Quantity
1-49 piece price $4.76
50-99 piece price $2.80
100-249 piece price $2.43
250-499 piece price $2.11
500-999 piece price $1.66
1000-1999 piece price $1.43
2000 or more CALL OR EMAIL
$35 minimum TOTAL purchase order.
diagram of extension spring