Knuckle Threads (DIN 405) – Rounded Thread Profile
Knuckle threads, standardized under DIN 405, feature a rounded thread profile designed for improved wear resistance and smooth motion in applications subject to high impact and frequent engagement/disengagement. Unlike standard trapezoidal or square threads, knuckle threads have semi-circular crests and roots, making them ideal for low-friction and self-cleaning mechanisms. Knuckle threads are commonly used in … Read more