
Product Description
ISO 4017 hexagon head screw, M8 x 20, Article number 4017-1.4404-0802070. Made in stainless steel a4-70. Hexagon Head Screw manufactured to ISO 4017 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
- ISO 4017
- Type
- Hexagon Head Screw
- Property class / grade
- A4-70
- Class (detailed)
- A4-70
- Thread type
- M
- Thread diameter
- 8 mm
- Pitch
- 1.25 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 20 mm
- Thread length
- 20 mm
- Threading
- Fully Threaded
- Fully threaded
- Yes
- Head type
- Hexagon Head
- Drive type
- Hex Drive
- Key width (across flats)
- 13 mm
- Head height
- 5.3 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Length
- 20 mm
- Thread standard
- ISO metric (M)
- Article number
- 4017-1.4404-0802070
- Category
- Bolts and Screws / Hexagon Head Screws
Standards & Compliance
- Standard
- ISO 4017
- Size / Series
- M8 x 20
- Material
- Stainless A4-70
- Thread Standard
- ISO metric (M)
- HS Code
- 731815
Product Documentation
More from Bufab

Bufab
ISO 4017 Hexagon Head Screw, Stainless A4-70, M8 x 25 (4017-1.4404-0802570)

Bufab
ISO 4017 Hexagon Head Screw, Stainless D8-70, M5 x 40
4017-1.4410-05040

Bufab
ISO 4017 Hexagon Head Screw, Stainless D8-70, M16 x 30
4017-1.4410-16030

Bufab
ISO 4017 Hexagon Head Screw, Stainless D8-70, M16 x 45
4017-1.4410-16045

Bufab
ISO 4017 Hexagon Head Screw, Duplex stainless D6-70 (1.4462), M6 x 30
4017-1.4462-06030

Bufab
ISO 4017 Hexagon Head Screw, Duplex stainless D6-70 (1.4462), M8 x 16
4017-1.4462-08016

Bufab
ISO 4017 Hexagon Head Screw, Duplex stainless D6-70 (1.4462), M8 x 40 (4017-1.4462-08040)

Bufab
ISO 4017 Hexagon Head Screw, Duplex stainless D6-70 (1.4462), M12 x 35
4017-1.4462-12035
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 4017-1.4404-0802070?
- 4017-1.4404-0802070 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 4017-1.4404-0802070.
- What is the HS code for 4017-1.4404-0802070?
- The customs tariff (HS) code for 4017-1.4404-0802070 is 731815.
- Who manufactures 4017-1.4404-0802070?
- 4017-1.4404-0802070 is a Bufab product in the C-Parts range.
- Is a datasheet available for 4017-1.4404-0802070?
- Yes — the 4017-1.4404-0802070 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 4017-1.4404-0802070?
- The minimum order quantity is 1.
- Is 4017-1.4404-0802070 available?
- Yes — 4017-1.4404-0802070 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).
