Locking Devices, Shrink Discs, Locking Elements

Whatever needs to be fixed to a shaft, KBK has the perfect component. Regardless of whether the connection has to be made from the inside, from the side, or from the outside, KBK’s portfolio offers a wide range of variants for each individual application. Easy and quick assembly, along with high availability at reasonable prices, are good reasons to choose locking devices, shrink discs, or locking elements from KBK compared to other solutions such as keyway connections.

Options: Available in a wide range of configurations to meet diverse assembly requirements, with shaft or hollow diameters from 4 mm to 495 mm and torque ranges from 2.4 Nm to 610,000 Nm depending on execution. All products can be obtained in a chemically nickel-plated finish or in stainless steel version, and upon request, special stainless steels such as AISI 304 or AISI 316 are also available.

Design types include locking devices, side locking devices, shrink discs, locking elements, and a rigid shaft coupling variant, allowing flexible mounting options and adaptability across virtually any shaft diameter and torque requirement.

The locking principle enables high torque transmission and secure axial fixing without sacrificing ease of assembly or the ability to disassemble and reposition components as needed.

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Additional features include a broad range of shaft diameters and torque capacities to fit specific application requirements, along with dedicated hub dimensioning guidance for the correct selection and use of KBK locking devices.

Available in multiple series:

  • KBS10, KBS11, KBS13, KBS15, KBS16, KBS18, KBS40 series locking devices

  • KBS12, KBS22, KBS23 series side locking devices

  • KBS19, KBS19/1 series shrink discs

  • KBS50 series locking elements

  • KBS51, KBS52, KBS55, KBS56, KBS57, KBS58, KBS59, KBS61, KBS62, KBS70, KBS71, KBS80 series locking devices

  • KBS95 series rigid shaft coupling

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