Square Square Holding Down Bolts

Dimensional Drawing and Technical Diagrams

1407_5023.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source BS 4179

Publication date: 09/1991
d thread size P

k
min/max

f
min/max
s v
min/max
M 16 2 9.25 10.75 7.25 8.75 24 15.3 16.7
M 20 2.5 11.6 13.4 9.25 10.75 30 19.16 20.84
M 24 3 14.1 15.9 11.1 12.9 36 23.16 24.84
M 30 3.5 17.65 19.75 14.1 15.9 46 29.16 30.84
M 36 4 21.45 23.55 17.1 18.9 55 35 37
M 42 4.5 24.95 27.05 19.95 22.05 65 41 43
M 48 5 28.95 31.05 22.95 25.05 75 47 49
M 56 5.5 33.75 36.25 26.95 29.05 85 54.8 57.2
M64 6 38.75 41.25 30.75 33.25 95 62.8 65.2