Jakob power clamping nut MDA: up to 180 kN clamping force

Wait A Minute X New Jakob Power Clamping Nut Multiplies Tightening Torque

2026-03-03 Source: Jakob Antriebstechnik | Translated by AI 1 min Reading Time

According to the manufacturer, the current model of the Jakob MDA mechanical power clamping nut combines extremely simple manual operation with low tightening values and maximum clamping forces ...

This is one of the new MDA power clamping nuts from Jakob Antriebstechnik from various angles. It is described as particularly durable and powerful. Here are a few specific data ...(Image: Jakob Drive Technology) — This is one of the new MDA power clamping nuts from Jakob Antriebstechnik from various angles. It is described as particularly durable and powerful. Here are a few specific data ...
(Image: Jakob Drive Technology)

The through-hole thread of the latest MDA version from Jakob Antriebstechnik, in conjunction with variable-length T-slot screws or clamping bolts, enables very flexible use with different clamping heights or tool thicknesses, according to the company from Kleinwallstadt, Germany. Its inner workings can easily multiply the manual tightening torque thanks to a robust gear drive with special plain bearings. The self-locking mechanism guarantees maximum operational reliability. The tempered steel design with a surface coating that protects against corrosion promises a long service life.

For Clamping Applications Up to 180 Kilonewtons

According to the manufacturer, endurance tests confirm these expectations. This is because the power clamping nuts were successfully subjected to a continuous load of up to 10,000 load cycles on a special test bench. The MDAs are available for thread sizes from M12 to M48 and can apply a clamping force of up to 180 kilonewtons. The areas of application extend across all fields of mechanical engineering in which high clamping forces are required: For example, the clamping of pressing and punching tools or workpiece clamping during machining. According to Jakob, the MDA power clamping nut is a safe, economical and precise clamping system. Under normal operating conditions, MDAs are maintenance-free and can be used up to 400 °F. Special versions can even be used up to 750 °F.

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