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lead screw 1. we can produce different kinds of lead screws ,bolts and so on. if you are interested in our lead screw, please contact with us. 2. lead screw 3. standard: DIN standard 4. size:M6-M100 5. Ningbo Beilun Hai Tuo Mechanical Making Co., Ltd. We operate the lead screws over 10 years.And our products are very popular all around the world, mainly in Europe. We can provide the products with high quality and large quantity. 6. If you are interesting to any item of our products. Pls contact us and we will show you our best price and services. 7. lead screw, ball screw, high precision, we have more than 10 years history producing it. 8. besides standard deliveries we also offer: expertises of customers ballscrews and their reconditioning. Custom made ballscrews executed according to customers drawings. 9. high precision, low backlash, lower noise. 10. in order to pursue more high-quality demand,our company strictly keep the international standard for producing, it has obtained ISO9001:2000 quality system certification so that the corporate quality management is guided to a standard, systematic and documented operation track ,meanwhile, the company constantly introduces advanced CNC automatic manufacturing equipment and test apparatus for high-precisely. We make lead screw in all types of threads like acme, squarepezodial, metric,etc.