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Datasheet generated 2026-11-10
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ISO 7380-1 Button Head with Hex Drive, Stainless A2-70, M4 x 40/40 (7380A204040FT)

Bufab · C-Parts · Socket Head Screws · Sweden · bufab.com
Part Number
7380A204040FT  ·  HS 731815
ISO 7380-1 Button Head with Hex Drive, Stainless A2-70, M4 x 40/40 (7380A204040FT)

ISO 7380-1 button head with hex drive, M4 x 40/40, Article number 7380A204040FT. Made in stainless steel a2-70. Button Head with Hex Drive manufactured to ISO 7380-1 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

StandardISO 7380-1
Standard description1
TypeButton Head Screw
Property class / gradeA2-070
Class (detailed)A2-070
Thread typeM
Thread diameter4 mm
Pitch0.7 mm
Thread pitch classCoarse
Thread directionRight
Length40 mm
Thread length40 mm
Tapping length40 mm
ThreadingFully Threaded
Fully threadedYes
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
Length40 mm
Thread standardISO metric (M)
Article number7380A204040FT
CategoryBolts and Screws / Socket Head Screws

Properties

MaterialStainless A2-70
Primary standardISO 7380-1
Standard sizeM4 x 40/40
Thread standardISO metric (M)
MOQ1

Standards

Attached Documents