a = DIN 934 M5 s = 2mm => b = M5x12 (8.0.005.45) s = 4mm => b = M5x14 (0.0.417.30) s = 6mm => b = M5x16 (8.0.000.07) s = 8mm => b = M5x18 (8.0.002.25) s = 10mm => b = M5x20 (0.0.404.11)
a= BR6 b= 0.0.419.43 c = DIN 912 M5x14 (0.0.655.04) a = BR8 b = 0.0.480.54 c = DIN 912 M5x14 (0.0.655.04)