SHANGHAI MASCOT INDUSTRIAL CO., LTD. 敏硕科技

Constant force spring standard parts

Mascot constant force spring is made of stainless steel strip. The high-strength steel strip is shaped by a specific machine. When it is straightened by external force, the constant force spring will naturally roll back and produce elastic force.

Find the right spring（Please separate the search scope with the middle cross bar, for example: 0.14-0.32）

Part No.	Thickness		Width		Length		Initial Extension		Working Extension Max		Inside Diameter		Drum Diameter		Load ±10%		End Configuration A		End Configuration B		End Configuration C		Fatigue Life Cycles	Contrast	Download
Part No.	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	lb	N	in	mm	in	mm	in	mm	Fatigue Life Cycles	Contrast	Download
YF1218-1943	0.015	0.38	1.25	31.73	48	1218	2.29	58	39	990	2.03	51.53	2.27	57.62	4.37	19.43	3/8	9.5	0.2	4.9	1/2	12.7	25000
YF1396-2592	0.02	0.51	1.25	31.73	55	1396	2.82	72	43	1092	2.53	64.22	2.83	71.84	5.83	25.92	3/8	9.5	0.2	4.9	1/2	12.7	25000
YF0533-0111	0.006	0.15	0.37	9.4	21	533	2.03	51.56	12	305	1.13	28.7	1.36	34.54	0.25	1.11	3/8	9.5	0.131	3.3	1/2	12.7	40000
YF0635-0165	0.007	0.18	0.5	12.7	25	635	2.36	59.94	15	381	1.31	33.27	1.58	40.13	0.37	1.65	3/8	9.5	0.131	3.3	1/2	12.7	40000
YF0762-0222	0.008	0.2	0.59	14.99	30	762	2.72	69.09	18	457	1.51	38.35	1.81	45.97	0.5	2.22	3/8	9.5	0.187	4.7	3/4	19.1	40000
YF0914-0334	0.01	0.25	0.68	17.27	36	914	3.38	85.85	21	533	1.88	47.75	2.26	57.4	0.75	3.34	3/8	9.5	0.187	4.7	3/4	19.1	40000
YF1067-0498	0.012	0.3	0.81	20.57	42	1067	4.07	103.4	24	610	2.26	57.4	2.71	68.83	1.12	4.98	3/8	9.5	0.187	4.7	3/4	19.1	40000
YF1219-0721	0.014	0.36	1	25.4	48	1219	4.74	120.4	27	686	2.63	66.8	3.16	80.26	1.62	7.21	3/8	9.5	0.187	4.7	3/4	19.1	40000

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Constant force spring standard parts

Find the right spring（Please separate the search scope with the middle cross bar, for example: 0.14-0.32）

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