Extension Springs

In production

Extension springs are helical coil springs designed to absorb energy while resisting pulling forces. The further they are stretched, the more force is generate, making them ideal for bringing two components together.

Common applications include Throttle Turn Mechanisms in Automotive, Trampolines, Fitness Equipment and Vibration Dampening Systems.

It is available in both Music Wire material, which is ideal for temperatures between -30 C and +120 C and for use in dry environments, and stainless Steel material, which is ideal for temperatures between -200 C and +250 C and for use in both dry and humid or wet environments. Key Factors to consider when choosing a spring for an application include Spring Material and the Working Environment, Spring Dimensions in both extended and non-extended states. Material: Stainless Steel, Carbon Steel Series Code:

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Product SKUs information
Price range	Availability	Initial Tension	Overall Length	Material	Load at Load Length
R 33,8726 - R 40,9859	Request the lead time here	1.85 N 1.85 N	2.252 in 57.2 mm	Stainless Steel	19.64 N 19.64 N

R 30,3218 - R 36,6894	Request the lead time here	1.78 N 1.78 N	1.752 in 44.5 mm	Carbon Steel	19.57 N 19.57 N

R 30,3218 - R 36,6894	Request the lead time here	1.78 N 1.78 N	1.5 in 38.1 mm	Carbon Steel	19.57 N 19.57 N

R 39,6178 - R 47,9376	Request the lead time here	3.04 N 3.04 N	1 in 25.4 mm	Stainless Steel	33.57 N 33.57 N

R 34,2015 - R 41,3838	Request the lead time here	0.71 N 0.71 N	1 in 25.4 mm	Stainless Steel	7.67 N 7.67 N

R 33,3631 - R 40,3694	Request the lead time here	1.78 N 1.78 N	4 in 101.6 mm	Carbon Steel	19.57 N 19.57 N

R 34,7227 - R 42,0145	Request the lead time here	7.56 N 7.56 N	2.5 in 63.5 mm	Carbon Steel	83.63 N 83.63 N

R 34,2015 - R 41,3838	Request the lead time here	0.71 N 0.71 N	2.5 in 63.5 mm	Stainless Steel	7.67 N 7.67 N

R 39,6178 - R 47,9376	Request the lead time here	3.04 N 3.04 N	2.252 in 57.2 mm	Stainless Steel	33.57 N 33.57 N

R 49,2564 - R 59,6003	Request the lead time here	12.32 N 12.32 N	2 in 50.8 mm	Carbon Steel	137.09 N 137.09 N

R 39,6178 - R 47,9376	Request the lead time here	5.19 N 5.19 N	1.5 in 38.1 mm	Stainless Steel	58.54 N 58.54 N

R 46,738 - R 56,553	Request the lead time here	6.30 N 6.30 N	2.252 in 57.2 mm	Stainless Steel	69.66 N 69.66 N

R 50,0223 - R 60,527	Request the lead time here	27.89 N 27.89 N	2 in 50.8 mm	Carbon Steel	309.98 N 309.98 N

R 58,0799 - R 70,2767	Request the lead time here	27.89 N 27.89 N	4.5 in 114.3 mm	Carbon Steel	309.98 N 309.98 N

R 71,1599 - R 86,1034	Request the lead time here	10.26 N 10.26 N	2 in 50.8 mm	Stainless Steel	114.20 N 114.20 N

R 41,341 - R 50,0226	Request the lead time here	1.85 N 1.85 N	3.5 in 88.9 mm	Stainless Steel	19.64 N 19.64 N

R 34,2015 - R 41,3838	Request the lead time here	0.71 N 0.71 N	1.252 in 31.8 mm	Stainless Steel	7.67 N 7.67 N

R 55,8559 - R 67,5856	Request the lead time here	12.32 N 12.32 N	5 in 127.0 mm	Carbon Steel	137.09 N 137.09 N

R 39,6555 - R 47,9831	Request the lead time here	1.48 N 1.48 N	1.37 in 34.8 mm	Stainless Steel	16.30 N 16.30 N

R 45,4692 - R 55,0177	Request the lead time here	1.48 N 1.48 N	3.5 in 88.9 mm	Stainless Steel	16.30 N 16.30 N