Product Description
DIN 931 hexagon head screw, M8 x 155, Article number 9311008155GEO5A. Property class / material: steel 10.9, surface finish zinc flake, silver. Hexagon Head Screw manufactured to DIN 931 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
- DIN 931
- Type
- Hexagon Head Screw
- Property class / grade
- 10.9
- Class (detailed)
- 10.9
- Thread type
- M
- Thread diameter
- 8 mm
- Pitch
- 1.25 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 155 mm
- Thread length
- 28 mm
- Threading
- Partially Threaded
- Fully threaded
- No
- Head type
- Hexagon Head
- Drive type
- Hex Drive
- Key width (across flats)
- 13 mm
- Head height
- 5.3 mm
- Surface treatment
- GEOMET 500A
- Surface treatment code
- ZINCFLAKE SILVER
- Length
- 155 mm
- Thread standard
- ISO metric (M)
- Article number
- 9311008155GEO5A
- Category
- Bolts and Screws / Hexagon Head Screws
Standards & Compliance
- Standard
- DIN 931
- Size / Series
- M8 x 155
- Material
- Steel 10.9
- 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 9311008155GEO5A?
- 9311008155GEO5A 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 9311008155GEO5A.
- What is the HS code for 9311008155GEO5A?
- The customs tariff (HS) code for 9311008155GEO5A is 731815.
- Who manufactures 9311008155GEO5A?
- 9311008155GEO5A is a Bufab product in the C-Parts range.
- Is a datasheet available for 9311008155GEO5A?
- Yes — the 9311008155GEO5A datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 9311008155GEO5A?
- The minimum order quantity is 1.
- Is 9311008155GEO5A available?
- Yes — 9311008155GEO5A 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).