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

French manufacturer of trapezoidal
or ball screws and nuts

All solutions when reliability of movement is your priority!
Learn more Gradel-Baudin

Cylindrical nylon nuts

Our cylindrical nylon nuts have unique characteristics that make them mechanically and thermally very strong, rustproof, insulating and lightweight. We manufacture our own range of black PA6.6 nylon trapezoidal nuts, single or double threaded, to suit all your specific needs.

Cylindrical nylon nuts

Trapezoidal nuts

We offer you different types of trapezoidal nuts with a thread that is obtained by chip removal. They are adapted to your needs thanks to their various sizes or shapes and the properties of the material they are made of: steel, bronze or nylon. Our wide range of quality nuts can meet all your requirements!

vis-trapezoidales-panel-vertical
usinage percage ambiance
écrous hexagonaux caisse-bois

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

écrous trapézoïdaux acier hexagonaux

Steel nuts 11SMnPb37 (1.0737) or 11SMn37 (1.0736)

Used for manual or motorised operation at low speeds, for clamping or locking functions, or for static loads. Not recommended with stainless steel screws.

écrous trapézoïdaux bronze épaulés perces

Bronze nuts CuSn7ZnPb

Used for manual or motorised operation at low to medium speeds and under heavy load. The combination with steel or stainless-steel screws is successful, especially if lubrication is well ensured.

écrous trapézoïdaux nylon-cylindriques

Plastic nuts PA6.6 (Nylon)

Used for manual or motorised operation with medium to high speeds and moderate loads. The combination with steel or stainless-steel screws gives good results and a very low noise level. These nuts can be used without lubrication but their lifespan will be shortened.

Characteristic of trapezoidal profile

schema-definition-du-profil-trapezoidal

Ød = nominal thread diameter
P = thread pitch
Ød2 = d - 0,5P
Ød3 = d - 2h3 = d - p - 2Ac

ac = thread root play
Ac = ac + 0,075P
(in the case of rolled thread)
h3 = 0,5P + Ac = 0,5P + ac + 0,075P
H3 = 0,5P + ac

ØD1 = d – P
ØD2 = d – 0,5P
ØD4 = d + 2ac
R1 max = 0,5ac
R2 max = ac

Configure your own product

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