Product Description
DIN 908 hexagon socket screw plug, M18 x 1.5, Article number 908A21815. Made in stainless steel a2. Hexagon Socket Screw Plug manufactured to DIN 908 with ISO metric (M) thread, coarse pitch. 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. Applications: sealing of threaded ports in gearboxes, hydraulic and pneumatic equipment, engines and plant pipework.
Technical Specifications
- Standard
- DIN 908
- Property class / grade
- A2
- Class (detailed)
- A2
- Thread type
- M
- Thread diameter
- 18 mm
- Pitch
- 1.5 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Length
- 12 mm
- Thread length
- 12 mm
- Drive type
- Hex Drive
- Key width (across flats)
- 8 mm
- Key depth
- 7.5 mm
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Screw Plug Flange Diameter
- 23 mm
- Screw Plug Flange Thickness
- 4 mm
- Screw Plug Sealing Inner Diameter
- 15.7 mm
- Screw Plug Sealing Outer Radius
- 1.2 mm
- Length
- 12 mm
- Thread standard
- ISO metric (M)
- Article number
- 908A21815
- Category
- Screw plugs / Hexagon socket screws plugs
Standards & Compliance
- Standard
- DIN 908
- Size / Series
- M18 x 1.5
- Material
- Stainless A2
- 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 908A21815?
- 908A21815 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 908A21815.
- What is the HS code for 908A21815?
- The customs tariff (HS) code for 908A21815 is 731815.
- Who manufactures 908A21815?
- 908A21815 is a Bufab product in the C-Parts range.
- Is a datasheet available for 908A21815?
- Yes — the 908A21815 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 908A21815?
- The minimum order quantity is 1.
- Is 908A21815 available?
- Yes — 908A21815 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).