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 30,3218 - R 36,6894	Request the lead time here	1.78 N 1.78 N	3 in 76.2 mm	Carbon Steel	19.57 N 19.57 N

R 45,4692 - R 55,0177	Request the lead time here	1.48 N 1.48 N	4 in 101.6 mm	Stainless Steel	16.30 N 16.30 N

R 55,3188 - R 66,9358	Request the lead time here	12.32 N 12.32 N	4 in 101.6 mm	Carbon Steel	137.09 N 137.09 N

R 28,712 - R 34,7416	Request the lead time here	2.22 N 2.22 N	0.752 in 19.1 mm	Carbon Steel	23.58 N 23.58 N

R 39,6178 - R 47,9376	Request the lead time here	3.04 N 3.04 N	1.122 in 28.5 mm	Stainless Steel	33.57 N 33.57 N

R 52,684 - R 63,7476	Request the lead time here	27.89 N 27.89 N	3.5 in 88.9 mm	Carbon Steel	309.98 N 309.98 N

R 30,1785 - R 36,516	Request the lead time here	6.23 N 6.23 N	2.752 in 69.9 mm	Carbon Steel	70.28 N 70.28 N

R 34,3281 - R 34,3281	Request the lead time here	2.22 N 2.22 N	1.752 in 44.5 mm	Carbon Steel	23.58 N 23.58 N

R 31,9498 - R 38,6593	Request the lead time here	7.56 N 7.56 N	1.37 in 34.8 mm	Carbon Steel	83.63 N 83.63 N

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 30,1785 - R 36,516	Request the lead time here	3.65 N 3.65 N	2 in 50.8 mm	Carbon Steel	40.30 N 40.30 N

R 53,1029 - R 64,2545	Request the lead time here	12.32 N 12.32 N	3 in 76.2 mm	Carbon Steel	137.09 N 137.09 N

R 39,6178 - R 47,9376	Request the lead time here	3.04 N 3.04 N	2.5 in 63.5 mm	Stainless Steel	33.57 N 33.57 N

R 30,3218 - R 36,6894	Request the lead time here	1.78 N 1.78 N	1.252 in 31.8 mm	Carbon Steel	19.57 N 19.57 N

R 30,1785 - R 36,516	Request the lead time here	6.23 N 6.23 N	1.37 in 34.8 mm	Carbon Steel	70.28 N 70.28 N

R 52,684 - R 63,7476	Request the lead time here	27.89 N 27.89 N	2.752 in 69.9 mm	Carbon Steel	309.98 N 309.98 N

R 39,6178 - R 47,9376	Request the lead time here	5.19 N 5.19 N	1.752 in 44.5 mm	Stainless Steel	58.54 N 58.54 N

	Request the lead time here	0.71 N 0.71 N	0.622 in 15.8 mm	Stainless Steel	7.67 N 7.67 N

R 39,6555 - R 47,9831	Request the lead time here	1.48 N 1.48 N	1.5 in 38.1 mm	Stainless Steel	16.30 N 16.30 N

R 33,8726 - R 40,9859	Request the lead time here	0.71 N 0.71 N	1.752 in 44.5 mm	Stainless Steel	7.67 N 7.67 N