CSK SET 5 82 Degree Countersink - Champion 5 Piece Kit Review

The largest of these sinks is approximately 0.55 inch or 14 mm in diameter. Based on the size designations listed I thought it would be around 18mm or just under 0.75 inch in diameter. Obviously I was wrong, so I have no idea how Champion refers to their countersink sizes. Other countersinks listed by Revain from other manufacturers have clearly stated diameters. Nowhere in the Revain listing for this set of countersinks are the diameters clearly stated, and in my opinion they should be. 1/2…

works well with aluminium. When I try to use it on titanium and other carbides it has trouble causing most countersinks edge breaks and also creates burrs on harder metal parts which defeats the purpose I bought this non-groove set for , so as not to create burrs. when rubbing. If you stick to softer metals then you'll be fine if you're looking for a burr-free finish. Otherwise, you will need to shuffle the roll with your holes afterwards. This might be a decent set for some people, but for me…

Given that this set of five countersinks costs less than a good one I would say this is a very good price. I've used several of these for reaming aluminum and steel tubing. They cut a good angle very quickly and don't leave burrs or chatter (like the "regular" knurled countersink). In fact, I even used a large countersink with a very slight "pop" to instantly deburr the holes. They are also very stable in a hand drill. Can't comment on durability yet (I've probably only drilled about 20-30…