Product Description
DIN 7984 socket head screw with hex drive, M12 x 40, Article number 7984A412040. Made in stainless steel a4-70. Socket Head Screw with Hex Drive manufactured to DIN 7984 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 7984
- Type
- Socket Head Screw
- Property class / grade
- A4-70
- Class (detailed)
- A4-70
- Thread type
- M
- Thread diameter
- 12 mm
- Pitch
- 1.75 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 40 mm
- Thread length
- 30 mm
- Tapping length
- 40 mm
- Threading
- Partially Threaded
- Fully threaded
- No
- Head type
- Round Head
- Drive type
- Hex Drive
- Key width (across flats)
- 8 mm
- Key depth
- 5 mm
- Head height
- 7 mm
- Head diameter
- 18 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Screw Top Radius
- 0.85 mm
- Length
- 40 mm
- Thread standard
- ISO metric (M)
- Article number
- 7984A412040
- Category
- Bolts and Screws / Socket Head Screws
Standards & Compliance
- Standard
- DIN 7984
- Size / Series
- M12 x 40
- Material
- Stainless A4-70
- Thread Standard
- ISO metric (M)
- HS Code
- 731815
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 7984A412040?
- 7984A412040 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 7984A412040.
- What is the HS code for 7984A412040?
- The customs tariff (HS) code for 7984A412040 is 731815.
- Who manufactures 7984A412040?
- 7984A412040 is a Bufab product in the C-Parts range.
- Is a datasheet available for 7984A412040?
- Yes — the 7984A412040 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 7984A412040?
- The minimum order quantity is 1.
- Is 7984A412040 available?
- Yes — 7984A412040 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).