Used to spread the load of a bolt or screw over a larger area or to help prevent loosening under vibration.
Subcategory
Lock washers
Split lock washers place tension against a nut after tightening, to help prevent loosening.
Material
Silicon bronze
Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.
Size
3/8"
Outside diameter
Maximum 0.688"
Inside diameter
0.377" - 0.385"
Thickness
Minimum 0.094"
Dimensional standard
ASME B18.21.1
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