JTS200 Roots fan lock nut Changsha Roots fan high quality JTS200 lock nut
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JTS200 Roots fan lock nut Changsha Roots fan high quality JTS200 lock nut terminology This standard uses the terminology in line with the provisions of GB/T 6930. This standard specifies the effective moment steel hexagonal lock nut mechanical and work performance of the marking system, indicators, test methods and signs. This standard applies to the carbon steel or alloy steel manufactured by the opposite side of the width in line with the provisions of GB 3104, nominal height ≥ 0.8D, need to specify the guaranteed load and effective torque, the thread diameter of 3 ~ 39mm coarse teeth 6H grade nuts. In addition to the effective torque part, its thread size and tolerance according to GB 193, GB 196 and GB 197. The working temperature range of the nut should be in line with: not plated all-metal nut: -50 ℃ ~ +300 ℃. Plated all-metal nuts:: -50 ℃ ~ +230 ℃ Embedded non-metallic components of the nut: -50 ℃ ~ +120 ℃ This standard does not apply to nuts with special performance requirements (such as welding performance and corrosion resistance). For stainless steel, non-ferrous metals to carbon steel or alloy steel manufactured fine tooth lock nut or thin nuts, by mutual agreement can be used in this standard specified by the effective torque of the performance indicators and test methods.
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