Extension Spring(Steel) TEST-88070 TRUSCO

The mechanical spring wound as a hook with both ends tightened by applying constant tension to the wire rod.A mechanical spring to use in pulling direction.Class 2 of JIS B2704 is applied tolerance of dimensions and spring characteristics.Wire Diameter d (mm):0.63Outer Diameter D (mm):4.63Free Height L (mm):58.1Number of Rolls (roll):79.5Mechanical Spring Constant (N/mm):0.304Allowable Weight (N):12.94Load Height L1 (mm):88.7Initial Tensile Strength (N):3.609Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windSWP-B (piano wire)