When a Phillips is not a Phillips Plus So Much More!

Step 66 4-Hole Security Nuts & Bolts

[[br]]The 4-Hole Security Nut is much as its name states, it has 4 location holes in the nut that are surrounded by a slim circular groove, requiring a special tool to tighten or remove the 4-Hole Nut. This unique feature renders the 4-Hole Security Nut tamper proof, reducing the risk of vandals or intruders tampering or undoing the screws. Due to the design of the 4-Hole Security Nut it is suitable for low to medium torque applications and is 2 way. [[br]]