small spring battery contact for various application

Product Description factory produced precision good quality small Spring batteri contact for various application Wire Diameter: 0.4mm/ 0.02"; Outer Diameter: 3mm/ 0.12"(OD); Free Length: 10mm/0.39" Compression Springs are open-coil helical springs that are used to save space and absorb shock in a variety of applications. coil spring is Generally used for  spring equipment tools etc. Coil spring is with high elasticity and good precision, installed small size and generate...