Spherical Seat Washers

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What are Spherical Seat Washers?
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Metric or Imperial?Metric
SizeM8 (8mm)
External Diameter (D)17mm
Washer Height (H)3.5mm
MaterialA2 Stainless Steel

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Spherical Seat Washers

What are Spherical Seat Washers?

Spherical Seat Washers (sometimes called Conical Seat Washers or Conical Seats) feature a concave face which is designed for use alongside Spherical Seating Hexagon Nuts or Spherical Washers. These components are used when locking components against a non-parallel surface. The domed shape of Spherical Seat Washers and Spherical Seating Nuts gives them certain self-centralising properties, which means that they can also be used in applications requiring frequent clamping and unclamping without causing major misalignment.


Spherical Seat Washers are manufactured from A2 and A4 Stainless Steel as standard, with Chemical Matte Black Coatings available.


These components are manufactured in metric thread sizes of between M6 and M24.

Bespoke Spherical Seat Washers Manufacture

High precision, bespoke manufacture of Spherical Seat Washers to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

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