Compared to the old way of using a separate drill and tap, it just sucks! Hard and long! This taps threads with a little more work than drilling a hole! Make sure to slow down when he starts threading. Reverse part of sales when they tie. A bit of cutting oil won't hurt, but there's no need to hammer on the aluminum. The force of the punch tends to push the tap against the hole. Too bad I didn't find them years ago - I will never use a regular faucet in any of these 5 sizes again! (And will probably look for more if I need other sizes.) They're better than sliced bread, popcorn butter, and twine. Things that need string concatenation.
Tool set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
45 Review
Cordless drill driver BOSCH GSR 120-LI (06019G8020/06019G8000)
54 Review
MICHELIN Latitude Sport 3 235/60 R18 103W summer
22 Review
Bit and socket set BOSCH Promoline (2.607.017.322), 26 pcs.
24 Review