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-250x250.jpg "SBR20UU - 20mm Linear Bearing Mount")
M4 × 8 mm Set / Grub Screws — 100 Pack
M4 × 8 mm Set / Grub Screws — 100 Pack
These M4 × 8 mm set screws provide a compact fastening where a projecting screw head is unwanted. Also called grub screws, they fit matching tapped holes in compatible collars, knobs, hubs and other adjustment or retention assemblies. This listing is for a 100-piece pack.
M4 × 8 mm quick reference
Hex socket set-screw dimensional data
Supplier reference dimensions for thread pitch, nominal hex key and minimum socket depth. The flat-end illustration is a reference; the stock point style is unconfirmed. Select the image to inspect the full-size NCMASTER drawing.
Why use these set screws?
- Headless form can sit within a suitable tapped hole.
- Internal hex socket provides adjustment from the end of the screw.
- Useful for equipment maintenance and compact retention assemblies.
- Size-specific pack keeps replacement screws organised by diameter and length.
Technical specifications
| Thread | Length | Pitch | Head | Hex key | Drive | Pack |
|---|---|---|---|---|---|---|
| M4 | 8 mm | 0.7 mm | Headless | 2 mm | Internal hex socket | 100 pieces |
Pitch and minimum socket depth follow the existing supplier table; hex-key sizes are nominal.
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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