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M8 × 20 mm 304 Stainless Button Head Cap Screws — 50 Pack
M8 × 20 mm 304 Stainless Button Head Cap Screws — 50 Pack
These M8 × 20 mm button head cap screws provide a rounded, low-profile fastening for brackets, covers and compatible aluminium-extrusion assemblies. Made from 304 stainless steel and supplied in a 50-piece pack, they combine an internal hex drive with a broad head bearing surface.
M8 × 20 mm quick reference
Button-head socket screw dimensional data
ISO 7380-1 reference dimensions for thread pitch, maximum head diameter, maximum head height and nominal hex key. All values are in millimetres. Select the image to inspect the full-size NCMASTER drawing.
Why use these button-head screws?
- Rounded button head gives exposed fastening points a compact appearance.
- Internal hex drive permits axial tool access around closely spaced components.
- 304 stainless steel construction suits general workshop and assembly work.
- Bulk pack helps keep repeat assemblies supplied with the same fastener size.
Technical specifications
| Thread | Length | Pitch | Head | Hex key | Drive | Material | Pack |
|---|---|---|---|---|---|---|---|
| M8 | 20 mm | 1.25 mm | Rounded button head | 5 mm | Internal hex socket | 304 stainless steel | 50 pieces |
Head dimensions are standard reference values checked against the manufacturer table; they are not measurements of individual stock items.
Typical applications
Suitable for compatible machine brackets, guards, fixtures, covers and general workshop assemblies where this exact thread and length are required.
Australia-wide supply from Melbourne
Stocked by NCMASTER in Melbourne with delivery available across Australia for workshop, CNC, fabrication and automation projects.
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