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Datasheet generated 2026-10-07
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DIN 439-B Hexagon Nut, Stainless A4-25, M36, Left-Hand Thread (439LA436)

Bufab · C-Parts · Hexagon Thin Nuts · Sweden · bufab.com
Part Number
439LA436  ·  HS 731816
DIN 439-B Hexagon Nut, Stainless A4-25, M36, Left-Hand Thread (439LA436)

DIN 439-B hexagon nut (form B), M36, left-hand thread, Article number 439LA436. Made in stainless steel a4-25. Hexagon Nut manufactured to DIN 439 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 439
Standard descriptionB
Property class / gradeA4-025
Class (detailed)A4-025
Thread typeM
Thread diameter36 mm
Pitch4 mm
Thread pitch classCoarse
Thread directionLeft
ThreadingFully Threaded
Surface treatmentPlain (no plating)
Surface treatment codePLAIN
Nut thickness18 mm
Width across flats55 mm
Thread standardISO metric (M)
Article number439LA436
CategoryNuts / Hexagon Thin Nuts

Properties

MaterialStainless A4-25
Primary standardDIN 439
Standard sizeM36
Thread standardISO metric (M)
MOQ1

Standards

Attached Documents