-coil helical springs that are constructed to oppose compression along the axis of the wind. They offer resistance to linear compressing forces and on...y are helical springs that exert a torque or rotary force. They are designed and wound to be actuated rotationally and to provide an angular return fo
ndles Helical Springs Handle Grips Gas Springs Ejectors Berger Tools Ltd, supplier and distributor of pecision engineering components and standard mac