Fast lift when lifting speed: 1450 (input rotational speed) ÷ 6 (ratio) × 6mm (pitch) = 1450 mm / min when a slow lifting speed: 1450 (input rotational speed) ÷ 24 (ratio) × 6mm (pitch) = 362 mm / min type 2 structure type of screw head is divided into: I (cylindrical) and III (screw type) in two forms. JRSS spiral screw lift MA helical screw lift, endurance gold quality, spiral screw lift provided by the Texas Machinery Co., Ltd. Kun-ho. Texas Haokun Machinery Co., Ltd. (www.sdnljsj.com) (www.sdnljsj.com) is a leader in Dezhou, reducer, transmission, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Endurance leadership with the staff warmly welcome all inquiries negotiations to create a better future for endurance.