Product Description
DIN 938 double end stud, M8 x 40, Article number 938A408040. Made in stainless steel a4. Double End Stud manufactured to DIN 938 with ISO metric (M) thread, coarse pitch. 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 938
- Property class / grade
- A4
- Class (detailed)
- A4
- Thread type
- M
- Thread diameter
- 8 mm
- Pitch
- 1.25 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 40 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Nut End Chamfer Length
- 1.6 mm
- Nut End Thread Length
- 8 mm
- Stud End Chamfer Length
- 3.2 mm
- Stud End Thread Length
- 22 mm
- Length
- 40 mm
- Thread standard
- ISO metric (M)
- Article number
- 938A408040
- Category
- Bolts and Screws / Double End Stud
Standards & Compliance
- Standard
- DIN 938
- Size / Series
- M8 x 40
- Material
- Stainless A4
- Thread Standard
- ISO metric (M)
- HS Code
- 731815
Product Documentation
More from Bufab
Bufab
DIN 938 Double End Stud, Stainless A4, M8 x 50
938A408050
Bufab
DIN 938 Double End Stud, Stainless BUMAX 88 (A4 high-strength), M8 x 50
938A40805088
Bufab
DIN 938 Double End Stud, Stainless BUMAX 88 (A4 high-strength), M10 x 30
938A41003088
Bufab
DIN 938 Double End Stud, Stainless BUMAX 88 (A4 high-strength), M10 x 40
938A41004088
Bufab
DIN 938 Double End Stud, Stainless A4, M10 x 70
938A410070
Bufab
DIN 938 Double End Stud, Stainless BUMAX 88 (A4 high-strength), M12 x 30
938A41203088
Bufab
DIN 938 Double End Stud, Stainless BUMAX 88 (A4 high-strength), M12 x 40
938A41204088
Bufab
DIN 938 Double End Stud, Stainless BUMAX 88 (A4 high-strength), M12 x 60
938A41206088
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 938A408040?
- 938A408040 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 938A408040.
- What is the HS code for 938A408040?
- The customs tariff (HS) code for 938A408040 is 731815.
- Who manufactures 938A408040?
- 938A408040 is a Bufab product in the C-Parts range.
- Is a datasheet available for 938A408040?
- Yes — the 938A408040 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 938A408040?
- The minimum order quantity is 1.
- Is 938A408040 available?
- Yes — 938A408040 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).