Product Description
DIN 84 rounded head screw with slot, M5 x 20, Article number 84A405020. Made in stainless steel a4-70. Rounded Head Screw with Slot manufactured to DIN 84 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 84
- Type
- Rounded Head Screw
- Property class / grade
- A4-70
- Class (detailed)
- A4-70
- Thread type
- M
- Thread diameter
- 5 mm
- Pitch
- 0.8 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 20 mm
- Thread length
- 20 mm
- Tapping length
- 20 mm
- Threading
- Fully Threaded
- Fully threaded
- Yes
- Head type
- Cheese Head
- Drive type
- Slotted
- Key depth
- 1.5 mm
- Head height
- 3.3 mm
- Head diameter
- 8.5 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Slot width
- 1.2 mm
- Length
- 20 mm
- Thread standard
- ISO metric (M)
- Article number
- 84A405020
- Category
- Bolts and Screws / Round Head Screws
Standards & Compliance
- Standard
- DIN 84
- Size / Series
- M5 x 20
- 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 84A405020?
- 84A405020 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 84A405020.
- What is the HS code for 84A405020?
- The customs tariff (HS) code for 84A405020 is 731815.
- Who manufactures 84A405020?
- 84A405020 is a Bufab product in the C-Parts range.
- Is a datasheet available for 84A405020?
- Yes — the 84A405020 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 84A405020?
- The minimum order quantity is 1.
- Is 84A405020 available?
- Yes — 84A405020 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).