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Datasheet generated 2026-10-07
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DIN 1587 Cap Nut, Stainless A4-50, M4 (1587A404)

Bufab · C-Parts · Hexagon Domed Cap Nuts · Sweden · bufab.com
Part Number
1587A404  ·  HS 731816
DIN 1587 Cap Nut, Stainless A4-50, M4 (1587A404)

DIN 1587 cap nut, M4, Article number 1587A404. Made in stainless steel a4-50. 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

StandardDIN 1587
Property class / gradeA4-50
Class (detailed)A4-50
Thread typeM
Thread diameter4 mm
Pitch0.7 mm
Thread pitch classCoarse
Thread directionRight
Thread length5.5 mm
ThreadingFully Threaded
Key width (across flats)7 mm
Surface treatmentPlain (no plating)
Surface treatment codePLAIN
Nut height8 mm
Length5.5 mm
Thread standardISO metric (M)
Article number1587A404
CategoryNuts / Hexagon Domed Cap Nuts

Properties

MaterialStainless A4-50
Primary standardDIN 1587
Standard sizeM4
Thread standardISO metric (M)
MOQ1

Standards

Attached Documents