Product Description
DIN 9021 round flat washer, 7.4 x 25 x 1.8 mm, Article number 90217425181. Property class / material: steel, surface finish zinc plated. Round Flat Washer manufactured to DIN 9021. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution. Applications: load distribution and locking under bolt heads and nuts in machine building, structural steel, plant maintenance and marine outfitting.
Technical Specifications
- Standard
- DIN 9021
- Property class / grade
- STEEL
- Class (detailed)
- STEEL
- Material hardness
- HV140
- Surface treatment
- Zinc Bright Passivation Fe/Zn P1 (ZPL 3+)
- Surface treatment code
- ZPL
- Diameter
- 7 mm
- Inner diameter
- 7.4 mm
- Outer diameter
- 25 mm
- Thickness
- 1.8 mm
- Article number
- 90217425181
- Category
- Washers / Plain Washers
Standards & Compliance
- Standard
- DIN 9021
- Size / Series
- 7.4 x 25 x 1.8 mm
- Material
- Steel
- HS Code
- 731822
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 90217425181?
- 90217425181 can be ordered from cballast.com as a Bufab catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Bufab product?
- The manufacturer part number is 90217425181.
- What is the HS code for 90217425181?
- The customs tariff (HS) code for 90217425181 is 731822.
- Who manufactures 90217425181?
- 90217425181 is a Bufab product in the C-Parts range.
- Is a datasheet available for 90217425181?
- Yes — the 90217425181 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 90217425181?
- The minimum order quantity is 1.
- Is 90217425181 available?
- Yes — 90217425181 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).