Product Description
ISO 4032 hexagon nut, M20, Article number 40321220GEO500A. Property class / material: steel class 12, surface finish zinc flake, silver. Hexagon Nut manufactured to ISO 4032 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
- ISO 4032
- Property class / grade
- CL.12
- Class (detailed)
- CL.12
- Thread type
- M
- Thread diameter
- 20 mm
- Pitch
- 2.5 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Threading
- Fully Threaded
- Surface treatment
- GEOMET 500A
- Surface treatment code
- ZINC FLAKE SILVER
- Nut thickness
- 18 mm
- Width across flats
- 30 mm
- Thread standard
- ISO metric (M)
- Article number
- 40321220GEO500A
- Category
- Nuts / Hexagon Nuts
Standards & Compliance
- Standard
- ISO 4032
- Size / Series
- M20
- Material
- Steel class 12
- 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 40321220GEO500A?
- 40321220GEO500A 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 40321220GEO500A.
- What is the HS code for 40321220GEO500A?
- The customs tariff (HS) code for 40321220GEO500A is 731816.
- Who manufactures 40321220GEO500A?
- 40321220GEO500A is a Bufab product in the C-Parts range.
- Is a datasheet available for 40321220GEO500A?
- Yes — the 40321220GEO500A datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 40321220GEO500A?
- The minimum order quantity is 1.
- Is 40321220GEO500A available?
- Yes — 40321220GEO500A 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).