Product Description
DIN 571 hexagon head wood screw, 5 x 40 mm, Article number 571A405040. Made in stainless steel a4. Hexagon Head Wood Screw manufactured to DIN 571 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 571
- Type
- Hexagon Head Wood Screw
- Property class / grade
- A4
- Class (detailed)
- A4
- Thread type
- M
- Thread diameter
- 5 mm
- Pitch
- 2.2 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 40 mm
- Thread length
- 24 mm
- Threading
- Partially Threaded
- Fully threaded
- No
- Head type
- Hexagon Head
- Drive type
- Hex Drive
- Key width (across flats)
- 8 mm
- Head height
- 3.5 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Length
- 40 mm
- Thread standard
- ISO metric (M)
- Article number
- 571A405040
- Category
- Bolts and Screws / Hexagon Head Screws
Standards & Compliance
- Standard
- DIN 571
- Size / Series
- 5 x 40 mm
- Material
- Stainless A4
- Thread Standard
- ISO metric (M)
- HS Code
- 731815
Product Documentation
More from Bufab
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 5 x 45 mm
571A405045
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 5 x 50 mm
571A405050
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 5 x 60 mm
571A405060
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 6 x 25 mm
571A406025
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 6 x 30 mm
571A406030
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 6 x 35 mm
571A406035
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 6 x 40 mm
571A406040
Bufab
DIN 571 Hexagon Head Wood Screw, Stainless A4, 6 x 45 mm
571A406045
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 571A405040?
- 571A405040 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 571A405040.
- What is the HS code for 571A405040?
- The customs tariff (HS) code for 571A405040 is 731815.
- Who manufactures 571A405040?
- 571A405040 is a Bufab product in the C-Parts range.
- Is a datasheet available for 571A405040?
- Yes — the 571A405040 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 571A405040?
- The minimum order quantity is 1.
- Is 571A405040 available?
- Yes — 571A405040 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).