Engineering guides we've prepared on hydraulic bolt tensioning, torque applications, and industrial fastener selection. To help you choose the right method, run the correct calculation, and avoid costly mistakes in the field.
The working principle of hydraulic bolt tensioning, the process in 4 steps, a comparison of torque tightening versus preload accuracy, and typical applications.
Read Guide →A decision matrix to help you choose the right tightening method for your joint, 4 common mistakes to avoid, and an engineering comparison of the two methods.
Read Guide →The full size and tonnage table for the HSP series, a 4-step guide to finding the correct model, and when a nut splitter is actually needed.
Read Guide →A comparison table of the HBS-GA, HBS-DP, HBS-DL and HBS-CT series, plus a 4-step guide to finding the right model.
Read Guide →Safe commissioning, operating steps, safety warnings, and recommended periodic maintenance intervals.
Read Guide →How to determine drive size, hex opening, and 6-point vs. double hex geometry; the UNI-ISO 1174 / DIN 3121 size chart and a 4-step selection guide.
Read Guide →When a non-sparking socket is required for explosive atmospheres, which material and size to choose; the UNI-ISO 1174 / DIN 3121 size chart and selection steps.
Read Guide →How do you match input and output size when selecting a reducer bushing (impact socket adapter)? Full HB-DB series 36–155mm size table, a 4-step selection guide, and custom-size order coding.
Read Guide →Enter your target preload, stud diameter, and grip length; calculate the required hydraulic force, the recommended HRT model, and the working pressure.
Open Calculator →Full pressure → force (kN, kg, ton) reference tables calculated at 25 bar increments across 500–1500 bar for the HRT3, HRT4, HRT5, HRT6, HRT9 and HRT10 models. View online or download as PDF.
View Tables →Share your requirements, and we'll get back to you with a calculated model recommendation along with full technical documentation.
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