L = 25.0
L = 30.0
L = 35.0

Predrilling hole
M6 Ø 4.9 ,,, 5.0 mm
M8 Ø 6.4 ,,, 6.8 mm
M3/8 Ø 8.2 ,,, 8.5 mm

Standard dimensions
M8x35/ø12 HAP
M8x30/ø12 HAP
M8x35/ø 12 HOP
M8x30/ø12 HOP
M8x25/ø12 HOP