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Custom-made solutions
All solutions on demand or personalized
We manufacture specific products at 70% of our turnover!
DNA shaped in quality and precision

French manufacturer of trapezoidal
or ball screws and nuts

All solutions when reliability of movement is your priority!

GB cylindrical ball nuts

We offer different categories of cylindrical ball nuts made of 100Cr6 (1.3505) or 16MnCr5 (1.7131) steel and equipped with 100Cr6 (1.3505) steel balls. Our nuts form a range of quality products designed to achieve smooth and fast movements with the aim of precise and silent positioning.
DIN cylindrical ball nuts

Product information

• Description: flanged cylindrical insert nut with lubrication hole and keyway
Material: 100Cr6 (1.3505) or 16MnCr5 (1.7131) steel and 100Cr6 (1.3505) steel balls
Ball transfer for single thread nut: recycling pins fully integrated in the nut body
Ball transfer for multi-threaded nuts: two deflectors and a tubular duct located at the periphery of the nut
Reduced axial play: 5 pitch = 0.05 mm, 10 pitch = 0.10 mm, multi thread = 0.20 mm
Reduced backlash: possible thanks to the "gothic" thread profile and the choice of ball size
Operating temperatures: from -20° to +80° C for normal application
Sealing: 2 rings to prevent lubricant leakage and foreign body penetration
Dismantling: If the nut is to be separated from the screw, the balls must be held in the nut by a sleeve

Customized manufacturing

On request and after being studied by our sales department, we can propose machined nuts according to drawings or any other diameter. All our nuts are delivered, as standard, with the operating clearances specified for each model. However, it is possible to reduce it thanks to the "gothic" thread profile and the choice of ball diameter. Please contact us!

Technical benefits

The action of the balls transforms the friction of a simple screw/nut system into a bearing. This reduces heat build-up and ultimately wear. The purpose of this system is to achieve particularly quiet, smooth, fast movements and more precise positioning. The mechanical efficiency and service life are much higher. In addition, there is no "stick slip" effect and the drive power required is reduced.

Fields of application

The ball screw/nut system is generally used in precision machines (machining centres, machines with high feed and rotation speeds, drive systems, etc.), medical equipment, presses, cutting machines, etc.

Ball nuts

A ball nut is a nut in which balls circulate, similar to a ball bearing. A ball screw assembly is a precision system designed to support only axial loads. The axis of the nut movement must be strictly parallel to the axis of the screw rotation so that no radial or eccentric forces are exerted. Our ball nuts "made in France" will surely meet all your requirements!

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With a complete range, we offer high performance and reliable products that perfectly meet the needs of the market.

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Ø A (mm)
Ø J (mm)
L1 (mm)
L2 (mm)
L3 (mm)
L4 (mm)
L5 (mm)
C dynamic (KN)
C static (KN)
Ø balls
Number of tracks
Unit weight (Kg/piece)
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Note : The stock information is actual to date but not contractual. Availability and delivery time will be validated on the date of the order.
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