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ET : 0.50-0.63mm Diameter Wire

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ET4080-4107 : Extension Springs - Stainless Steel

ET extension springs

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10+ 5%

25+ 10%

50+ 15%

100+ 20%

Part Number	Outside Dia. D0	Wire Dia. d	Free Length L0	Max Extension L1	Initial Tension IT N	Load at L1 N P1	Rate N/mm P/f	Cost	Quantity	Add to Basket
ET4080	2.50	0.50	7.90	9.61	2.05	13.42	6.65	£4.51
ET4081	2.50	0.50	10.90	13.64	2.05	13.42	4.15	£4.51
ET4082	2.50	0.50	15.40	19.68	2.05	13.42	2.66	£4.51
ET4083	3.50	0.50	9.50	13.82	1.47	10.00	1.96	£4.51
ET4084	3.50	0.50	12.50	19.41	1.47	10.00	1.22	£4.51
ET4085	3.50	0.50	17.00	27.80	1.47	10.00	0.78	£4.51
ET4086	3.50	0.50	24.50	41.80	1.47	10.00	0.49	£4.51
ET4087	3.50	0.50	290.00	500.00	1.47	10.00	0.04	£4.51
ET4088	5.50	0.50	12.70	25.80	2.09	6.50	0.42	£4.51
ET4089	5.50	0.50	15.70	36.60	2.09	6.50	0.26	£4.51
ET4090	5.50	0.50	20.20	52.90	2.09	6.50	0.17	£4.51
ET4091	5.50	0.50	27.70	80.00	2.09	6.50	0.26	£4.51
ET4092	5.50	0.50	37.70	116.10	2.09	6.50	0.07	£4.51
ET4093	2.80	0.55	8.80	10.78	2.33	15.83	6.82	£5.26
ET4094	2.80	0.55	12.10	15.27	2.33	15.83	4.26	£5.26
ET4095	2.80	0.55	17.00	21.96	2.33	15.83	2.72	£5.26
ET4096	3.50	0.55	9.90	13.58	1.98	13.08	3.02	£5.26
ET4097	3.50	0.55	13.20	19.09	1.98	13.08	1.89	£5.26
ET4098	3.50	0.55	18.10	27.30	1.98	13.08	1.21	£5.26
ET4099	3.50	0.55	26.40	41.10	1.98	13.08	0.75	£5.26
ET4100	6.00	0.55	13.90	28.00	0.91	7.92	0.48	£5.26
ET4101	6.00	0.55	17.20	39.70	0.91	7.92	0.30	£5.26
ET4102	6.00	0.55	22.10	57.20	0.91	7.92	0.19	£5.26
ET4103	6.00	0.55	30.40	86.60	0.91	7.92	0.12	£5.26
ET4104	6.00	0.55	41.40	125.70	0.91	7.92	0.09	£5.26
ET4105	3.00	0.63	9.70	11.55	3.49	21.83	10.08	£5.26
ET4106	3.00	0.63	13.50	16.46	3.49	21.83	6.26	£5.26
ET4107	3.00	0.63	19.20	23.82	3.49	21.83	4.01	£5.26

Material
Stainless Steel wire to DIN 17224. No.1,4310. BS2056 EN58A. Commercial 302 AMS 5688 spring temper.

Other Info.
Ends: German loops closed. End position will vary.
Tolerances: All dimensions and forces to DIN2097 (Grade 2).

To determine the load at any working length use:- (rate x deflection) + initial tension.

1lb = 4.448 Newtons.
1 Newton = 0.225lb.
Initial tension is for reference only and may vary.

Do = Outside diameter mm. d = Wire diameter mm. Lo = Free length (ref. Use only) mm.
L1 = Maximum extended length mm. IT = Initial tension load in Newtons. P1 = Load at L1 Newtons. P/f = Rate N/mm.

Downloads
PDF Documents : Catalogue Page | Extension Springs Complete