
Product Description
DIN 985 hexagon lock nut, M12, Article number 985A21201. Made in stainless steel a2-70, surface finish zinc plated. 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
- A2-70
- Class (detailed)
- A2-70
- Thread type
- M
- Thread diameter
- 12 mm
- Pitch
- 1.75 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Threading
- Fully Threaded
- Key width (across flats)
- 19 mm
- Surface treatment
- Zinc Bright Passivation Fe/Zn P1 (ZPL 3+)
- Surface treatment code
- ZPL
- Nut Diameter
- 21.1 mm
- Nut height
- 12 mm
- Thread standard
- ISO metric (M)
- Article number
- 985A21201
- Category
- Nuts / Lock Nuts
Standards & Compliance
- Standard
- DIN 985
- Size / Series
- M12
- Material
- Stainless A2-70
- Thread Standard
- ISO metric (M)
- HS Code
- 731816
Product Documentation
More from Bufab

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-70, M12 x 1.25
985A212125

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-70, M12 x 1.5, Pack
985A212150

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-70, M12 (985A21270)

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-80, M12
985A21280

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-70, M12 (985A212V)

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-70, M12 (985A212W)

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-70, M14
985A214

Bufab
DIN 985 Hexagon Lock Nut, Stainless A2-70, M14 x 1.5
985A214150
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 985A21201?
- 985A21201 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 985A21201.
- What is the HS code for 985A21201?
- The customs tariff (HS) code for 985A21201 is 731816.
- Who manufactures 985A21201?
- 985A21201 is a Bufab product in the C-Parts range.
- Is a datasheet available for 985A21201?
- Yes — the 985A21201 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 985A21201?
- The minimum order quantity is 1.
- Is 985A21201 available?
- Yes — 985A21201 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).
