Split Lock Washer Dimensions are shown in the following chart according to
ASME B18.21.1-2009 standard. Split lock washers from #0 to 3 inches nominal size are covered in the chart. Split lock washers are available in four series which are regular, heavy, extra duty
and high collar.
A split lock washer (or a helical spring lock washer) is a type of washer with slightly trapezoidal wire
formed into a helix of one coil.
Some important notes from the ASME B18.21.1:
- Split lock washers compensate for developed looseness
between component parts of an assembly, and provide a hardened bearing surface.
- Split lock washers shall be produced from material complaint to
chemical composition requirements of the standards given in ASME B18.21.1
(Carbon Steel: SAE J403 1055–1065, Boron Steel: SAE J411 10B55–10B65, Stainless
Steel: SAE J405 302–305 or SAE J405 316) Visit ASME B18.21.1 for more