Product Description
DIN 985 hexagon lock nut, M4, Article number 98504SK. Property class / material: steel class 6, surface finish zinc plated, black passivated. Hexagon Lock Nut manufactured to DIN 985 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 985
- Property class / grade
- CL.6
- Class (detailed)
- CL.6
- Thread type
- M
- Thread diameter
- 4 mm
- Pitch
- 0.7 mm
- Thread pitch class
- Coarse
- Thread direction
- Right
- Threading
- Fully Threaded
- Key width (across flats)
- 7 mm
- Surface treatment
- Zinc Black Passivation Fe/Zn P4 (ZB 3+)
- Surface treatment code
- ZPL BLACK
- Nut Diameter
- 7.66 mm
- Nut height
- 5 mm
- Thread standard
- ISO metric (M)
- Article number
- 98504SK
- Category
- Nuts / Lock Nuts
Standards & Compliance
- Standard
- DIN 985
- Size / Series
- M4
- 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 98504SK?
- 98504SK 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 98504SK.
- What is the HS code for 98504SK?
- The customs tariff (HS) code for 98504SK is 731816.
- Who manufactures 98504SK?
- 98504SK is a Bufab product in the C-Parts range.
- Is a datasheet available for 98504SK?
- Yes — the 98504SK datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 98504SK?
- The minimum order quantity is 1.
- Is 98504SK available?
- Yes — 98504SK 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).