Product range:
High volume production (10,000 pcs and more):
Shaped springs till the diameter of the wire 1.6mm
Shaped springs till the diameter of the wire 3mm
Small-lot production (100 pcs and more)
EN 10.270-1 SM, SH, DH
Wire patented for the production of the springs
EN 10270-3 1.4310 NS
Stainless steel spring wire
EN 10270-2 VD SICR
Valve spring wire
ČSN 426410.4
Drawn steel wire
CuZn37 dle ČSN 423213.51
Brass or bronze 1x to 3x spring-hard wire
Al SI 12
Aluminium wire for the electrical industry
All materials are purchased only with a certificate of quality from the manufacturer and according to customer’s request, a copy of the certificate is attached to the delivery
Surface treatment (coating) of the products:
According to customer needs, we provide by a contractor with certified companies surface treatment of our products:
Phosphating
FeZn yellow chromate
FeZn blue chromate
FeZn C 343
Coating according to VW 137 50 , TL 233 , Ofl-t 350
Tinning according to CZ-NACE 25.61
Ordering:
For ordering it is best to send final print of the spring with full informations. This applies to every shaped, torsional and tension springs
For simple springs without special requirements in case of small-lot production will suffice simple information:
– material (quality)
– diameter of wire
– diameter of coil
– Number of threads
– Free length
– The execution of the final thread
Address
Kateřinská 756
Stráž nad Nisou
46303
Contact information
Tel: 480 002 988
mail: liper@pruziny-liper.cz
mail: liper@quick.cz