What are countersunk wood screws?
Countersunk wood screws have a cone-shaped head that pulls down level with, or just below, the timber surface. That gives a flush, tidy finish you can fill and paint over. The Velocity uses a double countersunk head with ribs, so the head clears the recess and seats cleanly as it drives.
Do I need to pre-drill before using these screws?
For most softwood and board work you can drive straight in. The Quick Start slash point gets going fast and reduces the chance of splitting. In dense hardwood, or when you are fixing very close to an end or edge, a small pilot hole is still worth it.
Will these screws split the timber near an edge?
They are built to reduce that risk. On sizes 25mm and above the slash point cuts a path as it enters, which lowers torque and helps stop the timber splitting when you fix near an edge. Sensible placement and a pilot hole in hardwood help too.
What materials can I use the Velocity in?
Plenty. It is rated for hardwood, softwood, chipboard, MDF, thin sheet metal and plastic. That mix is why it earns the multi-use name and why one box covers a lot of the day.
Why is the screw only partially threaded on longer sizes?
From 40mm the shank is partially threaded. The smooth upper section lets the top board pull tight against the one below rather than jacking the two apart. You get a firmer, closer joint.
What does the gold finish do?
The gold colour is a zinc and yellow passivated coating over carbon steel. It gives a Corrosion Rating of 2, which suits internal and sheltered use. For exposed outdoor jobs, pick a screw with a higher corrosion rating.