Castle nut (8 slots)

Standard BS 3692 : 2001
Description Castle nut (8 slots) M 42, 4 to BS 3692
Part number BS 3692 HK8 - d M 42 - d2 58 - 4
Material Steel
Omniclass number 23.13.23.11.13.21
Product selection
Selector Nominal Ø High Ø (mm) Pitch of thread (mm) thickness (mm) Width across flats (mm) Lower face of nut to bottom of slot (mm) Width of slot (mm) Radius of slots (mm) Note
1 M 42 58 4.5 46 65 33.38 9 4.5
2 M 45 62 4.5 48 70 35.38 9 4.5 non-prefered
3 M 48 65 4 50 75 37.38 9 4.5
4 M 52 70 5 54 80 41.38 9 4.5 non-prefered
5 M 56 75 5.5 57 85 44.38 9 4.5
6 M 60 80 5.5 63 90 47.38 11 5.5 non-prefered
7 M 64 85 6 66 95 50.26 11 5.5
8 M 68 90 6 69 100 53.26 11 5.5
Nominal Ø
High Ø (mm)
Pitch of thread (mm)
thickness (mm)
Width across flats (mm)
Lower face of nut to bottom of slot (mm)
Width of slot (mm)
Radius of slots (mm)
Note