Product Description
ISO 7091 round flat washer, 13.5 x 24 x 2.5 mm, Article number 7091A4135. Made in stainless steel a4. Round Flat Washer manufactured to ISO 7091. 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
- ISO 7091
- Property class / grade
- A4
- Class (detailed)
- A4
- Material hardness
- HV100
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Diameter
- 12 mm
- Inner diameter
- 13.5 mm
- Outer diameter
- 24 mm
- Thickness
- 2.5 mm
- Article number
- 7091A4135
- Category
- Washers / Plain Washers
Standards & Compliance
- Standard
- ISO 7091
- Size / Series
- 13.5 x 24 x 2.5 mm
- Material
- Stainless A4
- 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 7091A4135?
- 7091A4135 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 7091A4135.
- What is the HS code for 7091A4135?
- The customs tariff (HS) code for 7091A4135 is 731822.
- Who manufactures 7091A4135?
- 7091A4135 is a Bufab product in the C-Parts range.
- Is a datasheet available for 7091A4135?
- Yes — the 7091A4135 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 7091A4135?
- The minimum order quantity is 1.
- Is 7091A4135 available?
- Yes — 7091A4135 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).