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Datasheet generated 2026-10-07
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DIN 985 Hexagon Lock Nut, CL 8, M4, Plain (9858040)

Bufab · C-Parts · Lock Nuts · Sweden · bufab.com
Part Number
9858040  ·  HS 731816
DIN 985 Hexagon Lock Nut, CL 8, M4, Plain (9858040)

DIN 985 hexagon lock nut, M4, Article number 9858040. Property class / material: cl 8, surface finish plain. 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

StandardDIN 985
Property class / gradeCL 8
Class (detailed)CL 8
Thread typeM
Thread diameter4 mm
Pitch0.7 mm
Thread pitch classCoarse
Thread directionRight
ThreadingFully Threaded
Key width (across flats)7 mm
Surface treatmentPlain (no plating)
Surface treatment codePLAIN
Nut Diameter7.66 mm
Nut height5 mm
Thread standardISO metric (M)
Article number9858040
CategoryNuts / Lock Nuts

Properties

MaterialCL 8
Primary standardDIN 985
Standard sizeM4
Thread standardISO metric (M)
MOQ1

Standards

Attached Documents