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Lead Screw

Metric fine thread and Metric coarse thread based on JIS are standardized as SCREWTECH Precision Lead Screws, but Trapezoidal Thread, Unified screw thread, ACME screw thread, special Pitch, and multiple start thread are also available. Nut configuration is not restricted and it is possible to manufacture in accordance with customer's design. Please consult SCREWTECH with your sketch.


The products in this series incorporate lubricating agent, so they can be used without oiling. The Shaft is manufactured from SUS304 or SUS303 (stainless steel), which gives excellent corrosion resistance. Wide range of combination of Shaft dia. and Lead are available. Most model is standard in stock, but Nut material can be changed to order based on the environment. Selecting backlash free type, Axial play can be zero.


In order to meet the needs of customer's requested design, we offer customized products.
To reduce design process at customer, each Nut type is standardized.



Types of thread rolling

Infeed rolling

Infeed rolling uses a timed cycle for increased production. It's used for general rolling of parts up to the maximum length of the dies, and also shouldered or headed work pieces like bolts.

Main Characteristics of Infeed Rolling Processes:

Helix angle is ground on the dies surface;

Work piece and dies are kept parallel on the machine;

Work piece rotates between the dies, presenting a little or no axial movement.

Thrufeed rolling

Thrufeed rolling is used for rolling threads that exceed the maximum length of the dies, as well as for continuous rolling of long thread bars.

Main Characteristics of Through-feed Rolling Processes:

It typically uses annular ring type dies presenting the thread form ground on the die in straight rings with no helix.

Helix angle is performed on components by tilting the machine`s spindles to the same helix as the work piece.

Multiple start threads (within range of machine) can be rolled by increasing helix angle tilt on the machine.

Speed-up dies are used for high-speed rolling.


A Lead Screw self-lock device is a mechanism that can lock the lead screw in position to prevent it from moving when subjected to external forces. It is commonly used in precision positioning and feed systems to ensure the accuracy and stability of the positioning and feeding operations. The lead screw self-lock device typically uses a brake mechanism, such as a friction brake or magnetic brake, to lock the lead screw. The brake mechanism applies a braking force to the nut or screwshaft of the lead screw, preventing it from moving when external forces are applied. This ensures the accuracy and stability of the positioning and feeding operations. The lead screw self-lock device is widely used in fields such as aerospace, automotive, machine tools, and electronic manufacturing.


BEAREE AS5000(PPS Resign: Poly Phenylene Sulfide) Nuts and Stainless (SUS304) Shafts are employed. This Lead Screw with low operation noise is able to be used as wide use.

Wide use: Becasue Screw surface are smooth and its lead is high, the reversed operation can be easy. 

Low operation noise compared with Ball Screws.

Due to the Nuts with low friction, the Screw efficiency is high. 


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Home> Products> Lead Screw
We SCREWTECH is the professional manafacturer of Ball Screw product. Our company has more than 16 years experience on Ball Screw manufacturer industry. We are Top3 manufacturer of Ball Screw in China. Our Ball Screw can replace HIWIN, TBI, KSS, THK these brand directly. Our Ball Screw main advantages are Ready stock, Customized design and Competitive price. The Ball Screw leading time is 7-30 days for different models. We could produce 30,000-40,000 sets of Ball Screws and other products every month. Our company Ball Screw has passed IATF16949 Certification, which means our Ball Screw can meet auto mobile industry standard, and very few Automatic Company in China have it since it is a strict standard system. Here we want to check with your sides is there any Ball Screw projects we can work together. Any feedback about Ball Screw you can give would be greatly appreciated. Thanks!
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