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Datasheet generated 2026-10-07
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DIN 985 Hexagon Lock Nut, Stainless A4-80, M4 (985A40480W)

Bufab · C-Parts · Lock Nuts · Sweden · bufab.com
Part Number
985A40480W  ·  HS 731816
DIN 985 Hexagon Lock Nut, Stainless A4-80, M4 (985A40480W)

DIN 985 hexagon lock nut, M4, Article number 985A40480W. Made in stainless steel a4-80. 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 / gradeA4-80
Class (detailed)A4-80
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 number985A40480W
CategoryNuts / Lock Nuts

Properties

MaterialStainless A4-80
Primary standardDIN 985
Standard sizeM4
Thread standardISO metric (M)
MOQ1

Standards

Attached Documents