Detailed Product Description
1. rolling shutter spring steel strip
2. size:1.2,1.3,1.4,1.5X40,45,50,55,60mm
3. MOQ:3ton
4. manufacture
2. size:1.2,1.3,1.4,1.5X40,45,50,55,60mm
3. MOQ:3ton
4. manufacture
rolling shutter spring steel strip
Size:1.25*50mm,1.3*45mm,1.4*45mm,1.2*50mm,1.2*55mm,1.2*60mm,1.4*60mm,1.4*80mm.
Hardness: 46-48HRC.
Surface: gray blue and polished blue.
Edge: both rounded.
Applications: spring for shutter, spring for spring box, spring for garage door, spring for shutter door, roller shutter, washers, trowels,spatulas,putty knives,auto cultuch plate, metal clips, etc.
Fine edge.
Uniform hardness.
Uniform fine polished defect free surface.