Product Description
DIN 934 hexagon nut, M4, Article number 934A20040SB. Made in stainless steel a2-70, surface finish stayblack. Hexagon Nut manufactured to DIN 934 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 934
- Property class / grade
- A2-70
- Class (detailed)
- A2-70
- Thread type
- M
- Thread diameter
- 4 mm
- Pitch
- 0.7 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Threading
- Fully Threaded
- Surface treatment
- STAYBLACK
- Surface treatment code
- STAYBLACK
- Nut thickness
- 3.2 mm
- Width across flats
- 7 mm
- Thread standard
- ISO metric (M)
- Article number
- 934A20040SB
- Category
- Nuts / Hexagon Nuts
Standards & Compliance
- Standard
- DIN 934
- Size / Series
- M4
- Material
- Stainless A2-70
- Thread Standard
- ISO metric (M)
- HS Code
- 731816
Product Documentation
More from Bufab
Bufab
DIN 934 Hexagon Nut, Stainless A2-70, M4 (934A20040W)
Bufab
DIN 934 Hexagon Nut, Stainless A2-70, M5 (934A2005)
Bufab
DIN 934 Hexagon Nut, Stainless A2-70, M5 (934A20050)
Bufab
DIN 934 Hexagon Nut, Stainless A2-70, M5, with Certificate (934A20050-C20)
Bufab
DIN 934 Hexagon Nut, Stainless A2-70, M5, with Certificate (934A20050-S)
Bufab
DIN 934 Hexagon Nut, Stainless A2-70, M5 (934A2005070)
Bufab
DIN 934 Hexagon Nut, Stainless A2-80, M5
934A2005080
Bufab
DIN 934 Hexagon Nut, Stainless A2-70, M5 (934A20050W)
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 934A20040SB?
- 934A20040SB 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 934A20040SB.
- What is the HS code for 934A20040SB?
- The customs tariff (HS) code for 934A20040SB is 731816.
- Who manufactures 934A20040SB?
- 934A20040SB is a Bufab product in the C-Parts range.
- Is a datasheet available for 934A20040SB?
- Yes — the 934A20040SB datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 934A20040SB?
- The minimum order quantity is 1.
- Is 934A20040SB available?
- Yes — 934A20040SB 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).