We have given a table for your easy selection of proper size of tools.
Allen key sizes for grub screws.
The internal wrenching drive used to seat a headless grub screw can be either a hex socket as in allen keys you ll need to know the correct allen key sizes for grub screws which can usually be found on the packaging a star torx socket a square socket known as a robertson drive or a regular slotted drive.
2 we use allen key or hex key allen keys or hex keys two are same but name is different in different countries for allen bolts csk bolts button head bolts and grub screw set screw.
Refer the following table for metric allen key sizes and dimensions for corresponding socket head cap screw based on iso 4762 din 912 standards.
An allen key size chart often comes with furniture you need to build on your own such as baby cribs outdoor swings or computer desks.
For example for an m8 socket head cap screw we need at least 32 8 head size 40mm clearance above the screw for easy accessibility.
Grub screw 240 pcs hex head allen screw set m3 m4 m5 m6 m8 with 5 small allen key wrench m1 5 m2 m2 5 m3 m4 stainless steel assortment fasteners kits 5 0 out of 5 stars 2 cup point grub screws mixed 40 pack 6mm length various metric threads m3 m4 m5 m6.