Product Description
DIN 6331 flange nut, M12, Article number 6331812. Property class / material: steel class 8, surface finish plain. Flange Nut manufactured to DIN 6331 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 6331
- Property class / grade
- CL.8
- Class (detailed)
- CL.8
- 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)
- 18 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Nut Flange Diameter
- 25 mm
- Nut Flange Thickness
- 4 mm
- Nut height
- 18 mm
- Thread standard
- ISO metric (M)
- Article number
- 6331812
- Category
- Nuts / Hexagon Nuts with Flange
Standards & Compliance
- Standard
- DIN 6331
- Size / Series
- M12
- Material
- Steel class 8
- 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 6331812?
- 6331812 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 6331812.
- What is the HS code for 6331812?
- The customs tariff (HS) code for 6331812 is 731816.
- Who manufactures 6331812?
- 6331812 is a Bufab product in the C-Parts range.
- Is a datasheet available for 6331812?
- Yes — the 6331812 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 6331812?
- The minimum order quantity is 1.
- Is 6331812 available?
- Yes — 6331812 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).