Belleville spring washers for valves 20M t:2.489 (mm)
Belleville spring washers for valves with bolt size 20M with an OD of 59.995 mm, an ID of 20.498 mm and a thickness t of 2.489 mm. Made from 17-7PH steel, H-13 steel, Inconel or Nimonic among others.
Price on request
Available on request
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