Set Screws

Set Screws


Set Screws are a type of unique fastener without a head. Set Screws are created to have a relative small size and prevent movement of an object inside another.


Set Screws are sometimes known also as a Grub Screw. As mentioned before, rather having a normal, meaning external, head.

Set Screws are made with an indented slot, which are mostly hexagonal. An Allen wrench will be required to fasten a Set Screw.


There are sorts of different points to a Set Screw. Some of the more common ones are the cup, cone, and oval shaped points.

The cup point Set Screw provides a flush end to the object it fastens on.

The cone point Set Screw has a sharper point that is used to hold, sometimes penetrate, the object.

The oval point Set Screws are made with rounded edges to minimize damaging the object it fastens onto.


Set Screws are made to fasten mostly on mechanical devices that require no protruding end, which are for safety reasons.

Normally, carbon steel Set Screws are with zinc, yellow zinc, or the more common black oxide to resist corrosion. However, it is normal have Set Screws to be made out of stainless steel or brass.

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