The M4 Crinkle Washers (BS4463) - Stainless Steel (A2) has the following features:
BS4463 Manufacturing Standard
0.28mm Thickness (T)
Stainless Steel (A2) Material
Stainless Steel (A2) Material Specification
Metric Metric or Imperial?
8.1mm External Diameter (D)
4.3mm Internal Diameter (B)
0.84mm Uncompressed Height (S)
M4 (4mm) For Use With Thread Size
Discover more about the Crinkle Washers range
Crinkle Washers are a pre-loading and spacing component designed to provide multiple points of contact for increased stability.
Accu also stock similar products such as Wave Washers. Crinkle Washers and Wave Washers are often used almost interchangeably, but Wave Washers are generally used as springs, whereas Crinkle Washers are used for spacing.
Crinkle Washer Materials
All of Accu's Crinkle Washers are manufactured from A2 Stainless Steel, and comply with DIN Standard BS4463. Additional materials and sizes are available on request.
Crinkle Washer Sizing
Crinkle Washers are available in thread diameters from M1.6 to M20, washer thicknesses from 0.16mm to 0.70mm, and uncompressed heights between 0.51mm and 2.66mm.