Understanding DIN 5464: The Heavy-Duty Standard for Straight-Sided Splines
Engineers choose DIN 5464 when space is at a premium but power cannot be compromised. Because these splines handle radial forces so effectively, you can often use a lower hub wall thickness din 5464 standard pdf
Official copies of the standard are available for purchase from authorized distributors in digital PDF or print formats: din 5464 standard pdf