Product Description
ISO 7380-1 button head with hex drive, M4 x 25, Article number 7380A20402570. Made in stainless steel a2-70. Button Head with Hex Drive manufactured to ISO 7380-1 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
- ISO 7380-1
- Standard description
- 1
- Type
- Button Head Screw
- Property class / grade
- A2-070
- Class (detailed)
- A2-070
- Thread type
- M
- Thread diameter
- 4 mm
- Pitch
- 0.7 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 25 mm
- Thread length
- 20 mm
- Tapping length
- 25 mm
- Threading
- Partially Threaded
- Fully threaded
- No
- Head type
- Button Head
- Drive type
- Hex Drive
- Key width (across flats)
- 2.5 mm
- Key depth
- 1.3 mm
- Head height
- 2.2 mm
- Head diameter
- 7.5 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Length
- 25 mm
- Thread standard
- ISO metric (M)
- Article number
- 7380A20402570
- Category
- Bolts and Screws / Socket Head Screws
Standards & Compliance
- Standard
- ISO 7380-1
- Size / Series
- M4 x 25
- 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 7380A20402570?
- 7380A20402570 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 7380A20402570.
- What is the HS code for 7380A20402570?
- The customs tariff (HS) code for 7380A20402570 is 731815.
- Who manufactures 7380A20402570?
- 7380A20402570 is a Bufab product in the C-Parts range.
- Is a datasheet available for 7380A20402570?
- Yes — the 7380A20402570 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 7380A20402570?
- The minimum order quantity is 1.
- Is 7380A20402570 available?
- Yes — 7380A20402570 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).