Specifications:
The MK1 model with radial set screws is available in sizes ranging from 0.05 to 10 Nm. It features an integral dismounting groove, eliminating the need for flats on shafts. The design allows for larger bore diameters in a compact size.

Materials:
The bellows are made from tombac for size 0.5 and high-grade stainless steel for sizes 1 and up. The hubs are constructed from aluminum.

Design:
The MK1 consists of two hubs with radial set screws concentrically mounted to flexible bellows. It supports speeds up to 20,000 rpm, with options for finely balanced versions exceeding this speed.

Features:
- Economical design
- Integral dismounting groove for easy removal
- Supports high-speed applications

Ordering Information:
To order, specify the model, size, overall length, and bore diameters. Custom features can be added by appending 'XX' to the part number and describing the requirements.

Technical Data:
- Rated torque: 0.05 to 10 Nm
- Overall length varies by size
- Outside diameter ranges from 6.5 to 40 mm
- Clamping screw ISO 4029 with varying tightening torques
- Moment of inertia and torsional stiffness values provided for each size
- Maximum axial, lateral, and angular values specified

Advantages:
The integral dismounting groove allows for clearance over burrs from set screws, eliminating the need for shaft flats.