Constant force spring features:

The constant force spring is made by the rolled stainless steel ribbon, through a particular machine to stereotypia the high strength steel ribbon, when it is straightened by an external force , the constant force spring will roll by naturally and then generate elastic force. Thereby, the object can go back to the appointed original place.

Made in ChinaBoth magnetic and non-magnetic are availableMaterial standard: JIS G4313Material: SUS 301Shape: can be customizable

Application of constant force spring:

1) Cable, fire damper

2) Window, door and curtain

3) Automatic propelling shelf spring

4) Adjustment of LCD and Fan

5) Skin stapler, gas nail gun and book sewer

Constant force spring Scope:

1) Thickness: 0.05~1.5MM

2) Width: 2~50MM

3) Length: according to order

4) Material: Stainless steel, Carbon Steel

REGULAR SPECIFICATIONS and TECHNICAL DATA:

Specification
Item no.	ID	Thickness	Width	Circle
HY-12	12mm	0.20mm	16mm	7
HY-14	14mm	0.20mm	16mm	7
HY-16	16mm	0.20mm	16mm	7
HY-18	18mm	0.25mm	16mm	7
HY-20	20mm	0.30mm	16mm	7
HY-25	25mm	0.35mm	16mm	7
HY-28	28mm	0.40mm	20mm	7
HY-30	30mm	0.40mm	20mm	7
HY-32	32mm	0.40mm	20mm	7
HY-36	36mm	0.40mm	20mm	7
HY-40	40mm	0.50mm	20mm	7
HY-46	46mm	0.50mm	20mm	7
HY-50	50mm	0.60mm	20mm	7
HY-60	60mm	0.60mm	20mm	7
HY-70	70mm	0.60mm	20mm	7
HY-80	80mm	0.70mm	20mm	7
HY-90	90mm	0.70mm	20mm	7
HY-82	100mm	0.70mm	20mm	7
More specification, Welcome to request for quotation!

Samples:

About us:

Certificate:

HRYA Electrical was established in 2013,with 20 office guys and 120 workers now.Our products are present in more than 30 different countries from Middle Ease to South American,from Europen to Australia,from Southeast Asia to North Africa.And our product have KEMA,TUV,SEMKO and CE certificates.