![Grub/Set Screw (6 pieces -M3*4)](http://store.fut-electronics.com/cdn/shop/products/Grub-set-screw-mounted-6-pieces_1024x1024.jpg?v=1649543478)
Pack of 6 pcs M3*4 grub or set screws . You can use it used for fixing pulley on motor shaft.
It is a Hexagon head set screws, use Allen Key/Hex Wrench to tighten the grub screw.
Material 45 carbon steel with Black coating.
![](https://cdn.shopify.com/s/files/1/0672/9409/files/rub-set-screw-mounted_480x480.png?v=1649542300)
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Pack of 6 pcs M3*4 grub or set screws . You can use it used for fixing pulley on motor shaft.
It is a Hexagon head set screws, use Allen Key/Hex Wrench to tighten the grub screw.
Material 45 carbon steel with Black coating.