TRUSCO Tensile Coil Spring Steel D4.5Xd0.5XL47.9 79.5 Rolls 10 Pieces TEST-88030 1 PK

Catalog number: TEST-88030 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): 0.5 ● Outer diameter D (mm): 4.5 ● Free height L (mm): 47.9 ● Number of turns (turns): 79.5 ● Spring constant (N/mm): 0.118 ● Allowable load (N): 7.26 ● Height under load L1 (mm): 95.0 ● Initial tension (N): 1.569 ● 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)