THK DKN Double-Nut Slim Full-Ball Precision Ball Screw

THK DKN is a full-ball precision ball screw with a compact slim nut. It uses two combined ball screw nuts with a spacer between them. This double-nut design provides preload and below-zero axial clearance for precise positioning.

The DKN uses a deflector-type ball circulation system. Its slim nut helps reduce installation space while the preload helps eliminate axial clearance. This design is suited to applications that require compact and accurate ball screw assemblies.

THK DKN has a DN value of 70,000 and is available with screw shaft diameters of 40, 50 and 63 mm. The series combines compact construction with double-nut preload for precision positioning applications.