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Extension Springs - Close Wound

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Extension Springs are coil springs designed to be stretched from free length to a longer extended length to store energy, to provide a resistance to a pulling force or to provide a restoring force.  They are usually close wound, meaning that each coil is held tightly against the adjacent coil(s).  The force holding the coils together is called the initial tension.  This force must be overcome before the coils will start to open up as a stretching force is applied to the spring. 






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Item #

Outside Diameter - in.

Wire Diameter - in.

Length Inside Ends - in.

Rate - lbs./in.

Initial Tension - lbs.

Sugg. Max. Ext. Length - in.

Sugg. Max. Load - lbs.

End Type

Material

Finish

List Price

EAL-009-148-S .050 .009 .148 14.88 .07 .18 .5 Crossover Stainless Steel Passivated $3.75
EAM-010-198-M .056 .010 .198 12.31 .1 .27 1.0 Crossover Loops Music Wire Zinc $3.75
EAN-013-4724-M .064 .013 4.724 .87 .20 6.55 1.8 Side Loops Music Wire N/A $3.75
EAP-008-580-M .066 .008 .580 .63 .04 1.23 .5 Crossover Loops Music Wire N/A $3.75
EAR-010-550-S .079 .010 .550 1.08 .06 .92 .5 Crossover, 1 Extended Stainless Steel Passivated $3.75
EAU-008-308-P .094 .008 .308 .29 .03 1.05 .2 Double Side Loops Phospher Bronze N/A $3.75
EAU-010-360-S .094 .010 .360 1.08 .06 .66 .4 Crossover, 2 Coils Each End Stainless Steel Passivated $3.75
EAU-012-625-M .094 .012 .625 1.5 .13 1.25 1.0 Crossover Loops, Closed Music Wire N/A $3.75
EAV-015-1445-M .095 .015 1.445 1.58 .23 2.5 1.9 Crossover Loops Music Wire N/A $3.75
EBA-008-410-S .105 .008 .410 .27 .03 1.08 .2 Crossover Loops, Full Stainless Steel Passivated $3.75
EBA-010-320-S .101 .010 .320 1.12 .06 .60 .4 Crossover, 1 Extended Stainless Steel Passivated $3.75
EBA-012-285-M .100 .012 .285 5.27 .1 .45 1.0 Crossover Hooks Music Wire N/A $3.75
EBA-012-301-S .103 .012 .301 3.23 .06 .47 .6 Crossover Loops Stainless Steel Passivated $3.75
EBB-012-321-S .120 .012 .321 2.70 .11 .53 .68 Crossover Loops Stainless Steel Passivated $3.75
EBB-012-437-S .110 .012 .437 1.36 .03 .82 .6 Crossover Loops Stainless Steel Passivated $3.75
EBB-012-468-M .115 .012 .468 1.33 .08 1.05 .9 Crossover Loops Music Wire N/A $3.75
EBB-012-500-S .117 .012 .500 2.1 .11 .775 .68 Crossover Loop, Ext. Hook Stainless Steel Passivated $3.75
EBB-012-535-S .117 .012 .535 1.9 .03 .77 .6 Crossover, 1 Extended Stainless Steel Passivated $3.75
EBB-013-434-S .115 .013 .434 2.17 .08 .72 .7 Crossover, 2 Coils Each End Stainless Steel Passivated $3.75
EBB-020-770-M .110 .020 .770 10.54 .40 1.08 3.6 Machine Hooks Music Wire N/A $3.75
EBC-010-340-S .120 .010 .340 .81 .04 .69 .3 Crossover, 1.5 Coils One End Stainless Steel Passivated $3.75
EBC-012-310-S .120 .012 .321 2.48 .06 .49 .5 Crossover Loops Stainless Steel Passivated $3.75
EBC-012-490-S .123 .012 .490 .82 .02 1.05 .5 Crossover Loops Stainless Steel Passivated $3.75
EBC-017-2380-M .121 .017 2.38 1.08 .19 4.15 2.1 Machine Hooks Extended Music Wire Passivated $3.75
EBD-012-665-S .130 .012 .665 .44 .04 1.65 .5 Crossover Loops Stainless Steel Passivated $3.75
  Results 1 - 25 of 137  1 2 3 4 5 »