Product Description
DIN 93 tab washer with long tab, 21 mm, Article number 93A421. Made in stainless steel a4. Tab Washer with Long Tab manufactured to DIN 93. 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 93
- Property class / grade
- A4
- Class (detailed)
- A4
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Diameter
- 20 mm
- Washer Edge Radius
- 3.6 mm
- Washer Flange Length
- 36 mm
- Washer Flange Width
- 18 mm
- Inner diameter
- 21 mm
- Outer diameter
- 42 mm
- Thickness
- 1 mm
- Article number
- 93A421
- Category
- Washers / Tab Washers
Standards & Compliance
- Standard
- DIN 93
- Size / Series
- 21 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 93A421?
- 93A421 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 93A421.
- What is the HS code for 93A421?
- The customs tariff (HS) code for 93A421 is 731822.
- Who manufactures 93A421?
- 93A421 is a Bufab product in the C-Parts range.
- Is a datasheet available for 93A421?
- Yes — the 93A421 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 93A421?
- The minimum order quantity is 1.
- Is 93A421 available?
- Yes — 93A421 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).