Product Description
DIN 1587 cap nut, M12, turned, dome, Article number 1587S121. Property class / material: steel class 6, surface finish zinc plated. Cap Nut manufactured to DIN 1587 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 1587
- Property class / grade
- CL.6
- Class (detailed)
- CL.6
- Thread type
- M
- Thread diameter
- 12 mm
- Pitch
- 1.75 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Thread length
- 16 mm
- Threading
- Fully Threaded
- Key width (across flats)
- 19 mm
- Surface treatment
- Zinc Bright Passivation Fe/Zn P1 (ZPL 3+)
- Surface treatment code
- ZPL
- Nut height
- 22 mm
- Length
- 16 mm
- Thread standard
- ISO metric (M)
- Article number
- 1587S121
- Category
- Nuts / Hexagon Domed Cap Nuts
Standards & Compliance
- Standard
- DIN 1587
- Size / Series
- M12
- Material
- Steel class 6
- Thread Standard
- ISO metric (M)
- HS Code
- 731816
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 1587S121?
- 1587S121 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 1587S121.
- What is the HS code for 1587S121?
- The customs tariff (HS) code for 1587S121 is 731816.
- Who manufactures 1587S121?
- 1587S121 is a Bufab product in the C-Parts range.
- Is a datasheet available for 1587S121?
- Yes — the 1587S121 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 1587S121?
- The minimum order quantity is 1.
- Is 1587S121 available?
- Yes — 1587S121 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).