Standard_Parts_Catalogue

Page 571 | 2.2 Tensioning, Clamping with Knobs GN 5337.3 Safety Star Knobs Engaged After Pushing 1 d 1 2 d 2 4 Material How to order (Bushing) 1 2 4 GN5337.3-40-M8-ST 1 d 1 2 d 2 3 Length l 4 Material How to order (Threaded stud) 1 2 3 4 GN5337.3-50-M10-40-NI 1 2 3 d 1 d 2 Length l d 3 d 4 d 5 h 1 h 2 h 3 h 4 Stroke t min. 40 M 6 M  8 20 25 32 40 13,5 18 13,5 30 14 7 2,5 11 50 M 8 M 10 25 32 40 50 16   22 16,5 34 15 8 3,5 14 Safety star knobs GN 5337.3 are most suitable for applications where an accidental or inconsiderate loosening or adjusting of the knob may lead to accidents. In non-operative condition, the star knob is not linked with the threaded insert, i.e. the knob can be turned easily. Only after axial pushing of the star knob, the two serrations get engaged so that the knob can be untightened resp. tightened. Atfer „releasing“, the two serrations are disengaged by a spring. see also... • Safety Tension Levers GN 312 → Page 496 / 497 • Safety Hand Levers GN 604.2 → Page 494 / 495 Information • Knob Plastic Technopolymer (Polyamide PA) - - Glass fiber reinforced - - Temperature resistant up to 130 °C - - Black, matte finish • Color of the cover cap Black, RAL 9005, matte finish • Threaded bushing / threaded stud - - Steel ST Blackened - - Stainless steel AISI 303 NI • Annular gear Zinc die casting • Plastic Characteristics → Page 2158 • Stainless Steel Characteristics → Page 2166 • RoHS Specification 4 • Cover caps in other colors On request