Hi Michel,
From what you say the B&Q kit sounds like a really good buy.
Small compressors fall in to two, if you like, power bands. The 8 bar (116psi) and the 10 bar (145 psi) the smaller compressor pumps usually produce around 187.5 l/m (7 cfm) of which the B&Q one does.
Depending on make, a brad nailer uses around 1 cfm, at a pressure of 70 – 85 psi and a finish nailer, at the same pressure, around 2.5cfm so the small compressors are more than capable of running small air nailers.
Framing nailer are a different thing all together. They need a supply of 7.5 cfm at a constant 90-100 psi the very small compressors drop the tank pressure to below this before recharging and cannot supply enough air to completely supply the gun’s requirement. The next stage up in compressors, 10 bar at around 8cfm, will fire a framing nailer so long as rapid firing is not required and that short (25ft max) hoses of 8mm+ diameter are used.
We use much larger compressors for our framing nailers and still run out of air if we get a bit trigger happy!
Most of the cheap brad nailers are not adjustable for dept and are pre set to ‘set’ the brad about 1.5mm below the surface. Simply fire the brad through a thin piece of wood to raise the set. Do not be tempted to reduce the pressure as this will vary depending where the compressor is in its recharge cycle. The piston is designed to bottom out at each firing.
I think you will be happy with whatever you buy to start with and if you get hooked you will end up with a whole collection of them!
One of the most useful things in our workshop is the blow gun – it is great for cleaning everything from router cutters to the saw bench.
One last thing, cheap nail gun kits usually come with a curly hose. Invest in a length of rubber hose you wont regret it!
Have fun :wink:
Ralph