TRUSCO Tensile Coil Spring Steel D4.63Xd0.63XL20.3 19.5 Rolls 20 Pieces TEST-88064 1 PK

Catalog number: TEST-88064 Features: ● A spring in which the wire is tightly wound under a certain tension, with both ends raised into hooks. ● A spring used in the pulling direction. ● Dimensions and spring characteristic tolerances comply with JIS B2704 Class 2. Specifications: ● Wire diameter d (mm): 0.63 ● Outer diameter D (mm): 4.63 ● Free height L (mm): 20.3 ● Number of turns (turns): 19.5 ● Spring constant (N/mm): 1.236 ● Allowable load (N): 13.44 ● Height under load L1 (mm): 28.1 ● Initial tension (N): 3.609 ● Hook direction (°): 180 ● Winding direction: Right-handed winding ● Hook shape: Reverse round hook ● Operating temperature range: 110°C or less Material/Finish: ● SWP-B (Piano wire)