For all you DIYers and workshop folks out there, this FOCMKEAS hand reamer is one of those tools you didn't know you needed until you try it. Basically, it's for making holes more precise - we're talking smoothing them out, getting them to the exact right size, and improving the surface finish. This particular one is 5mm in diameter with a 4mm square shank, so you can use a wrench to turn it by hand. The total length is about 85mm with a 45mm flute length. It's made from 9CrSi alloy tool steel, which is seriously hard and durable - this thing will last you ages if you take care of it. The cool part is it achieves H8 level drilling accuracy, which is pretty precise for a hand tool. It's got 6 straight flutes that help with cutting and chip removal, and the chamfered angle design at the bottom helps with positioning and keeps things round. You'd use this for light cutting jobs, repair work, or just enlarging holes that are almost but not quite the right size. Works great on aluminum, cast iron, copper, magnesium alloy, even plastic. Just remember to keep it clean and use some machine oil when you're working with it - that'll make it last even longer and work smoother. It's perfect for when you need better precision than a drill can give you - think mechanical projects, model building, or any situation where hole quality really matters. The finish you get is smooth and professional-looking. Definitely a handy addition to your tool collection if you work with metals or plastics regularly and care about getting things just right.
Free 30-day returns 
Free 30-day returns
