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Datasheet generated 2026-11-10
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ISO 7380-1 Button Head with Hex Drive, Steel 10.9, 010.9 M4 x 50, Plain (73801004050)

Bufab · C-Parts · Socket Head Screws · Sweden · bufab.com
Part Number
73801004050  ·  HS 731815
ISO 7380-1 Button Head with Hex Drive, Steel 10.9, 010.9 M4 x 50, Plain (73801004050)

ISO 7380-1 button head with hex drive, 010.9 M4 x 50, Article number 73801004050. Property class / material: steel 10.9, surface finish plain. Button Head with Hex Drive manufactured to ISO 7380-1 with ISO metric (M) thread, coarse pitch, partially 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

StandardISO 7380-1
Standard description1
TypeButton Head Screw
Property class / grade10.9
Class (detailed)10.9
Thread typeM
Thread diameter4 mm
Pitch0.7 mm
Thread pitch classCoarse
Thread directionRight
Length50 mm
Thread length20 mm
Tapping length50 mm
ThreadingPartially Threaded
Fully threadedNo
Head typeButton Head
Drive typeHex Drive
Key width (across flats)2.5 mm
Key depth1.3 mm
Head height2.2 mm
Head diameter7.5 mm
Surface treatmentPlain (no plating)
Surface treatment codePLAIN
Length50 mm
Thread standardISO metric (M)
Article number73801004050
CategoryBolts and Screws / Socket Head Screws

Properties

MaterialSteel 10.9
Primary standardISO 7380-1
Standard size010.9 M4 x 50
Thread standardISO metric (M)
MOQ1

Standards

Attached Documents