描述
Product Features
The SL-HN Series Top-Load Hydraulic Nut is particularly suitable for fastening applications in confined spaces and heavy-duty vibrating machinery, and supports the simultaneous installation of multiple bolts. Its torque-free tensioning design eliminates the effects of friction, bolt twisting, and other factors that can influence bolt preload, ensuring that the tightened bolt is subjected to pure axial tensile force.
Allows precise preload setting, with accuracy of up to ±3%.
An optional stroke indicator allows the operator to observe, measure, and control bolt elongation during operation.





