Steel Spline Gauges are precision measuring instruments used in industries to check the accuracy and fit of splines in shafts, gears, or couplings. These gauges are usually used in manufacturing processes such as gear production, automotive, aerospace, and heavy machinery industries where precision and reliable fit are required. Made of hardened steel, these gauges are designed for heavy use while maintaining accuracy. These are simple tools that can be used quickly to check whether splines are within tolerance. The use of Steel Spline Gauges ensures consistency in measurements across batches, reduces errors, and enhances the overall quality control process.