Product Description
DIN 963 flat head screw with slot, M4 x 40, fully threaded, Article number 963A204040. Made in stainless steel a2-70. Flat Head Screw with Slot manufactured to DIN 963 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 963
- Standard description
- A
- Type
- Flat Head Screw
- 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
- Length
- 40 mm
- Thread length
- 37.8 mm
- Tapping length
- 37.8 mm
- Threading
- Fully Threaded
- Fully threaded
- Yes
- Head type
- Countersunk Flat Head
- Drive type
- Slotted
- Key depth
- 0.8 mm
- Head height
- 2.2 mm
- Head diameter
- 7.5 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Chamfer Angle
- 90 deg
- Slot width
- 1 mm
- Length
- 40 mm
- Thread standard
- ISO metric (M)
- Article number
- 963A204040
- Category
- Bolts and Screws / Flat Head Screws
Standards & Compliance
- Standard
- DIN 963
- Size / Series
- M4 x 40
- Material
- Stainless A2-70
- 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 963A204040?
- 963A204040 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 963A204040.
- What is the HS code for 963A204040?
- The customs tariff (HS) code for 963A204040 is 731815.
- Who manufactures 963A204040?
- 963A204040 is a Bufab product in the C-Parts range.
- Is a datasheet available for 963A204040?
- Yes — the 963A204040 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 963A204040?
- The minimum order quantity is 1.
- Is 963A204040 available?
- Yes — 963A204040 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).