Irwin 9/64 in. Dia. High Speed Steel Countersink 1/4 in. Quick-Change Hex Shank 1 pc.

from Gee gee

The hex part that chucks in the drill spins freely after a short time. Tiny flat spot with a spot crimp isn't sufficient to hold in place had at least 4 units break in this manner

from thur1042

The drill bit is attached to the hex shaft with adhesive. Mine started spinning freely within hours of buying it. To make matters worse, I removed the hex shaft and put the drill bit directly into my keyless chuck, and the tip of the bit was wabbling (bit isn't straight). I took it back, and t...

from Lozz

I brought these bit less than 2 weeks ago. Two of the hex heads have already snapped off. These are poorly designed. Junk! Don't waste your money.

from magister

#1882782 : Advertised as countersink, pictured on package as adjustable countersink, but in reality non-adjustable counterbore. To work as a countersink it requires a collar, which is not sold with it and which is unavailable unless you buy a separate kit. Wasted money, and - worse- another time-...

from Andy

Have drilled over 1000 times. They are my go to bits.