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Datasheet generated 2026-10-08
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DIN 431-B Hexagon Nut, Stainless A4, G 1/4" (431A4014)

Bufab · C-Parts · Hexagon Pipe Nuts · Sweden · bufab.com
Part Number
431A4014  ·  HS 731816
DIN 431-B Hexagon Nut, Stainless A4, G 1/4" (431A4014)

DIN 431-B hexagon nut (form B), G 1/4", Article number 431A4014. Made in stainless steel a4. Hexagon Nut manufactured to DIN 431 with ISO 228-1 parallel pipe thread (G) 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 431
Standard descriptionB
Property class / gradeA4
Class (detailed)A4
Thread typeG
Thread diameter13.157 mm
Pitch1.337 mm
Thread pitch classCoarse
Thread directionRight
ThreadingFully Threaded
Surface treatmentPlain (no plating)
Surface treatment codePLAIN
Nut thickness6 mm
Width across flats21 mm
Thread standardISO 228-1 parallel pipe thread (G)
Article number431A4014
CategoryNuts / Hexagon Pipe Nuts

Properties

MaterialStainless A4
Primary standardDIN 431
Standard sizeG 1/4"
Thread standardISO 228-1 parallel pipe thread (G)
MOQ1

Standards

Attached Documents