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.
Allen key sizes for grub screws.
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.
Here we have given the tool size only for metric thread bolts.
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.
We have given a table for your easy selection of proper size of tools.
Hold on to it or post it somewhere in the garage where you can hold up the key or socket screw head to the physical picture this can help you to determine which size of allen wrench you need or have on hand.
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.