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Hexagon lignum Cochleas
Diameter range (mm) . M2-M20，1/8-3/4 Longitudo range (mm) . 3-...
In verbis hexagonis interioris, duae versiones nationalis normae sunt, una est GB70-76, altera versio anni 76, altera versio GB70-8585, nostra societas nunc vexillum DIN912 exsequens est, ut observandum sit. differentia in actu negotiorum operationum: GB70 -85 omnino coincidit cum DIN912, ideo nulla est differentia in usu novi vexillum, maxime differentia inter GB70-76 et DIN912: nam series hexagonalis M8, diametri capitis rotundi. of GB70-76 est 12.5MM, Minor est quam 13.27MM DIN912. Nam series hexagonorum interiorum M10, caput rotundum diameter GB70-76 est 15MM, quae minor 16.27 inter DIN912 est. Nam series M12 hexagonum interiorem, caput rotundum diametri GB70-76 est 18MM. Minor est quam opposita parte 18.27 de DIN912, et caput rotundum diametri hexagoni interioris GB70-76 seriei M16 et M20, minor 0.33MM quam DIN912, quae sunt 24MM et 30MM respective. DIN912 est 24.33MM et 30.33MM respective. Latitudo praeterea hexagoni interioris inter vexillum antiquum et vexillum Germanum differt ob signa diversa. Pars interior GB70-76 minor est, et observandum est in rebus agendis.
In addition, there are also some differences in the carriage screws that may be used at ordinary times. I will also make an explanation here. In the national standard, there are two standards for carriage screws, namely GB12 (small semicircular head square neck screw) and GB14 (large semicircular head square neck screw) Neck screws), and the German standard DIN603 is usually more commonly used in the market. Now to distinguish these three: for the round head and neck, when comparing the same specifications: GB12
