Bosch TI2147IM 5/16 in. Impact Tough™ Titanium Nitride Coated Drill Bit

I bought five of these at once nearly a year ago, and I'm still on the first one. They are very durable, and they stay sharp for a very long time. Keep in mind, that heat is the enemy of sharpness, so as long as you are conscientious you can make these last and last. I've used the first drill for probably somewhere around 1000 drilled holes, and it's still going strong.

It drilled a couple holes in my wall.

Works great!

I bought these to replace my worn out drill bitsThese are titanium and drilled right through sheet metal well. Good price too

Hubby wanted this because he respects & trusts this brand of tool. Good quality, size he needed, and overall good item.

Can there really be much of a difference between drill bits?Hell yeah!I had them all, the unbranded, the Ryobi packs, the Home Depot or Costco sale sets, the what have-yous.And now that I am over 60, all my gear being about 20 to 30 years old and slowly withering away, and having taken on a major new project recently, I thought "let's try to make this as easy as possible".So I got myself a Bosch 18V tool set along with Bosch drills, bits, saw blades, wheels etc.These drill bits are fantastic!They are wicked sharp, super precise and super easy to work with.The non-skate tip, makes it super easy to get started precisely where you want to be (instead of "eh, it's close enough"), the shank fits super tight into the impact driver, and the two together make drilling holes as effortless as carving through soft butter. Very impressed!

Works great

Work well for 6 holes out of 14. Will have to resharpen.