Description of π§ Forney 60239 Mini Drill Set with 20 Pieces
The product is 20PC Mini Drill Bit Set. Easy to use. The product is manufactured in China. Mini drill bit set with 20-Piece. Sizes 61-80. For precision drilling of wood, plastic and metal. Convenient steel index storage case. Max RPM is 30,000.
Bought these to use with a small work vise on models Looks like I picked the right set. They are tiny as expected and yes you have to be careful when using them. So be patient and be careful not to break any of them when working with them in your delicate work.
Wrong quality. I wanted them to match the dimensions of the carburetor jets, but a micrometric check of the actual size versus the advertised size showed they didn't even meet reasonable accuracy requirements. (4 of these have microphones of almost the same size.)
Drill works well with Dremel. We strongly recommend using a Dremel press for holes of any depth. (The smallest bits are literally the diameter of your hair.) I was able to drill 1/4 inch deep holes in 75 or larger brass. The dispenser works well once you figure out how to move the clear plastic cap back and forth. There are no instructions - there are. The transparent cover has a bit ejection hole as the cover moves along the bit slots. Makes accessing those little bits easier. It was foundβ¦