Product Description
DIN 985 hexagon lock nut, M20, en 10204 3.1 certificate, Article number 985A42080C. Made in stainless steel a4-80. Hexagon Lock Nut manufactured to DIN 985 with ISO metric (M) thread, coarse pitch, fully threaded. 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.
Technical Specifications
- Standard
- DIN 985
- Property class / grade
- A4-80
- Class (detailed)
- A4-80
- Thread type
- M
- Thread diameter
- 20 mm
- Pitch
- 2.5 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Threading
- Fully Threaded
- Key width (across flats)
- 30 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Nut Diameter
- 32.95 mm
- Nut height
- 20 mm
- Thread standard
- ISO metric (M)
- Certificate
- EN 10204 3.1 on request
- Article number
- 985A42080C
- Category
- Nuts / Lock Nuts
Standards & Compliance
- Standard
- DIN 985
- Size / Series
- M20
- Material
- Stainless A4-80
- Thread Standard
- ISO metric (M)
- HS Code
- 731816
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 985A42080C?
- 985A42080C 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 985A42080C.
- What is the HS code for 985A42080C?
- The customs tariff (HS) code for 985A42080C is 731816.
- Who manufactures 985A42080C?
- 985A42080C is a Bufab product in the C-Parts range.
- Is a datasheet available for 985A42080C?
- Yes — the 985A42080C datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 985A42080C?
- The minimum order quantity is 1.
- Is 985A42080C available?
- Yes — 985A42080C 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).