คุณลักษณะ

• Material conforms to DIN17223 Class C or BS1408 CR3.　Dimensions conform to DIN 2097 (grade 2). It has an oil finish.
• Piano Wire Tensile Spring
• A right-handed (clockwise) spiral spring and looped end made of high extension strength piano wire.
• Features and Advantages: Absorbs and stores energy on both sides Resistance to tension Initial tension can be set according to individual requirements Coil spring resisting elongation Use:
• Interior and exterior garage door assembly Vise plier carburetor Trampoline cleaning equipment Agricultural machinery