Physical Dimensions Compression spring (Use-Agricultural spring) Diameter of spring wire, d: 2.500 mm Outer diameter of spring, Douter : 24.700 mm Inner diameter of spring, Dinner : 19.700 mm Mean diameter of spring, Dmean : 22.200 mm Free length of spring, Lfree : 171.000 mm Number of active coils, na : 19 Number of total coils, nT : 21 Type of ends: closed & ground Distance between coils, Coilpitch: 8.737 mm Agricultural spring , compression spring, Agricultural spring manufacturing in indore All types springs manufacturing spring manufacturing, spring manufacturing in indore, spring Manufactures in India, compression spring manufacturing, tension spring manufacturing, torsan spring manufacturing, conical spring manufacturing