Number Diameter Pitch Width Across Flats 0 6.0mm 1.00mm 0.413in 2 4.7mm 0.81mm 0.324in 4 3.6mm 0.66mm 0.248in 6 2.8mm 0.53mm 0.193in 8 2.2mm 0.43mm 0.152in 10 1.7mm 0.35mm 0.117in 12 1.3mm 0.090in [???]The Width Across Flats for hex heads is also the outer diameter of countersunk, round, and cheese head B.A. screws. A cheese head screw is one with a cylindrical head. Note on the mixed units: B.S.93:1919 defines the screw threads in metric units.
There is now a source of Land Rover fasteners in England which claims to have all nuts, bolts, lockers, rivets and dollies from 1948-72. I don't have any direct experience yet:
L. R. Fasteners,
32 Laburnum Park, Bradshaw, Bolton, BL2 3BU, England
Tony Arnold: 01204-302589
A S.A.E. including your vehicle details is
requested for a free parts list.
- David Cockey, email: Wdcockey@aol.com [10/'95]