
Product Description
DIN 933 hexagon head screw, M30 x 40, Article number 9338300402. Property class / material: steel 8.8, surface finish hot-dip galvanised. Hexagon Head Screw manufactured to DIN 933 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 933
- Type
- Hexagon Head Screw
- Property class / grade
- 8.8
- Class (detailed)
- 8.8U
- Thread type
- M
- Thread diameter
- 30 mm
- Pitch
- 3.5 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 40 mm
- Thread length
- 40 mm
- Threading
- Fully Threaded
- Fully threaded
- Yes
- Head type
- Hexagon Head
- Drive type
- Hex Drive
- Key width (across flats)
- 46 mm
- Head height
- 18.7 mm
- Surface treatment
- Hot Dip Galvanizing
- Surface treatment code
- HDG
- Length
- 40 mm
- Thread standard
- ISO metric (M)
- Article number
- 9338300402
- Category
- Bolts and Screws / Hexagon Head Screws
Standards & Compliance
- Standard
- DIN 933
- Size / Series
- M30 x 40
- Material
- Steel 8.8
- Thread Standard
- ISO metric (M)
- HS Code
- 731815
Product Documentation
More from Bufab

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DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 45, Plain
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DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 45, Zinc Plated
9338300451

Bufab
DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 45, Hot-Dip Galvanised (ISO fit)
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DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 50, Plain
933830050

Bufab
DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 50, Zinc Plated
9338300501

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DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 50, Hot-Dip Galvanised
9338300502

Bufab
DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 50, EN 10204 3.1 Certificate, Zinc Plated, Yellow Passivated
9338300503

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DIN 933 Hexagon Head Screw, Steel 8.8, M30 x 55, Zinc Plated
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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 9338300402?
- 9338300402 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 9338300402.
- What is the HS code for 9338300402?
- The customs tariff (HS) code for 9338300402 is 731815.
- Who manufactures 9338300402?
- 9338300402 is a Bufab product in the C-Parts range.
- Is a datasheet available for 9338300402?
- Yes — the 9338300402 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 9338300402?
- The minimum order quantity is 1.
- Is 9338300402 available?
- Yes — 9338300402 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).
