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Industrial Parts Catalog
Datasheet generated 2026-10-07
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DIN 933 Hexagon Head Screw, Steel 10.9, M20 x 40, SST 600 h, Zinc Flake, Black (9331020040ZFBL)

Bufab · C-Parts · Hexagon Head Screws · Sweden · bufab.com
Part Number
9331020040ZFBL  ·  HS 731815
DIN 933 Hexagon Head Screw, Steel 10.9, M20 x 40, SST 600 h, Zinc Flake, Black (9331020040ZFBL)

DIN 933 hexagon head screw, M20 x 40, sst 600 h, Article number 9331020040ZFBL. Property class / material: steel 10.9, surface finish zinc flake, black. Hexagon Head Screw manufactured to DIN 933 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 933
TypeHexagon Head Screw
Property class / grade10.9
Class (detailed)10.9
Thread typeM
Thread diameter20 mm
Pitch2.5 mm
Thread pitch classCoarse
Thread directionRight
Length40 mm
Thread length40 mm
ThreadingFully Threaded
Fully threadedYes
Head typeHexagon Head
Drive typeHex Drive
Key width (across flats)30 mm
Head height12.5 mm
Surface treatmentZINC FLAKES BLACK, TOP COAT with lubrication, Salt Spray Test 600 hours
Surface treatment codeZINC FLAKES BLACK
Length40 mm
Thread standardISO metric (M)
Salt spray test600 h (ISO 9227)
Article number9331020040ZFBL
CategoryBolts and Screws / Hexagon Head Screws

Properties

MaterialSteel 10.9
Primary standardDIN 933
Standard sizeM20 x 40
Thread standardISO metric (M)
MOQ1

Standards

Attached Documents