Product Description
DIN 931 hexagon head screw, M12 x 55, Article number 931A412055. Made in stainless steel a4. Hexagon Head Screw manufactured to DIN 931 with ISO metric (M) thread, coarse pitch, partially 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 931
- Type
- Hexagon Head Screw
- Property class / grade
- A4
- Class (detailed)
- A4
- Thread type
- M
- Thread diameter
- 12 mm
- Pitch
- 1.75 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 55 mm
- Thread length
- 30 mm
- Threading
- Partially Threaded
- Fully threaded
- No
- Head type
- Hexagon Head
- Drive type
- Hex Drive
- Key width (across flats)
- 19 mm
- Head height
- 7.5 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Length
- 55 mm
- Thread standard
- ISO metric (M)
- Article number
- 931A412055
- Category
- Bolts and Screws / Hexagon Head Screws
Standards & Compliance
- Standard
- DIN 931
- Size / Series
- M12 x 55
- Material
- Stainless A4
- Thread Standard
- ISO metric (M)
- HS Code
- 731815
Product Documentation
More from Bufab
Bufab
DIN 931 Hexagon Head Screw, Stainless A4-70, M12 x 55
931A41205570
Bufab
DIN 931 Hexagon Head Screw, Stainless A4-80, M12 x 55
931A41205580
Bufab
DIN 931 Hexagon Head Screw, Stainless A4-80, M12 x 55, EN 10204 2.2 Certificate
931A41205580C2.2
Bufab
DIN 931 Hexagon Head Screw, Stainless A4-80, M12 x 55, Gleitmo 627 Lubricated
931A41205580W627
Bufab
DIN 931 Hexagon Head Screw, Stainless A4, M12 x 60
931A412060
Bufab
DIN 931 Hexagon Head Screw, Stainless A4-70, M12 x 60
931A41206070
Bufab
DIN 931 Hexagon Head Screw, Stainless A4-70, M12 x 60, EN 10204 2.2 Certificate
931A41206070C22
Bufab
DIN 931 Hexagon Head Screw, Stainless A4-80, M12 x 60
931A41206080
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 931A412055?
- 931A412055 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 931A412055.
- What is the HS code for 931A412055?
- The customs tariff (HS) code for 931A412055 is 731815.
- Who manufactures 931A412055?
- 931A412055 is a Bufab product in the C-Parts range.
- Is a datasheet available for 931A412055?
- Yes — the 931A412055 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 931A412055?
- The minimum order quantity is 1.
- Is 931A412055 available?
- Yes — 931A412055 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).