[ d_b = d \times \cos(\alpha) = 18 \times \cos(30°) = 15.588 \text mm ]
Database includes DIN 5482 standard dimensions of internal and external spline. Database may be extended and modified by the user. hexagon.de Spline Calculator - Ondrives Precision Gears din 5482 spline dimensions calculator
Because the , dedicated standalone calculators for it are rare. However, it remains heavily used in the industry for repair, reverse engineering, and legacy spare parts. [ d_b = d \times \cos(\alpha) = 18 \times \cos(30°) = 15