Product Description
DIN 7973-C raised countersunk head tapping screw with slot (form C), ST3.5 x 25, Article number 7973CA235025. Made in stainless steel a2-20h. Raised Countersunk Head Tapping Screw with Slot manufactured to DIN 7973 with ISO 1478 tapping screw thread (ST) 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 7973
- Standard description
- C
- Type
- Raised Head Sheet Metal Screw
- Property class / grade
- A2-20H
- Class (detailed)
- A2-20H
- Thread type
- ST
- Thread diameter
- 3.5 mm
- Pitch
- 1.3 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 25 mm
- Thread length
- 22.9 mm
- Tapping length
- 22.9 mm
- Threading
- Fully Threaded
- Fully threaded
- Yes
- Head type
- Countersunk Raised Head
- Drive type
- Slotted
- Key depth
- 1.55 mm
- Head height
- 2.1 mm
- Head diameter
- 6.8 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Head Lens Height
- 1.2 mm
- Length Cut Bottom
- 3.2 mm
- Slot width
- 1 mm
- Length
- 25 mm
- Thread standard
- ISO 1478 tapping screw thread (ST)
- Article number
- 7973CA235025
- Category
- Bolts and Screws / Raised Head Screws
Standards & Compliance
- Standard
- DIN 7973
- Size / Series
- ST3.5 x 25
- Material
- Stainless A2-20H
- Thread Standard
- ISO 1478 tapping screw thread (ST)
- 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 7973CA235025?
- 7973CA235025 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 7973CA235025.
- What is the HS code for 7973CA235025?
- The customs tariff (HS) code for 7973CA235025 is 731815.
- Who manufactures 7973CA235025?
- 7973CA235025 is a Bufab product in the C-Parts range.
- Is a datasheet available for 7973CA235025?
- Yes — the 7973CA235025 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 7973CA235025?
- The minimum order quantity is 1.
- Is 7973CA235025 available?
- Yes — 7973CA235025 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).