rolling shutter spring steel strip

Rolling door spring steel strip Description

1. Material: 65Mn grade

2. Finished:  hot tempered and hardened, black or blue finished

3. Specification: 1) thickness: 1.2, 1.3, 1.4, value="1.5" tcsc="0" unitname="mm" w:st="on">1.5 mm        

                         2) width: 40, 45 ,50, 55, value="60" tcsc="0" unitname="mm" w:st="on">60mm

                         3) length: 3, 3.5, 4, 4.5, 5, 5.5, value="6" tcsc="0" unitname="m" w:st="on">6m, according to your requirement

4. Packing:  oiled, plastic film, carton, iron pallet

                   10pcs/carton     carton size: 33x17xvalue="23" tcsc="0" unitname="cm" w:st="on">23cm

5. Matching products: Spring box, rolling door lock