Our truck deck screws are Type 23 and are hardened for Thread forming.
Tests have shown these screws have the ability to thread cut through steel plate of 10mm thickness
Perfect to install a truck deck on the back of your ute.
The length is measured overall including the head, this is because the Countersunk head is installed into the material and therefore becomes part of the length.
For installation:
Drill size = 5.2mm
Drive Bit = Number 3 Square drive
