In article
,
N8N wrote:

On Aug 12, 8:18*am, Edge wrote:
I have a Craftsman 19.2 volt drill with a half inch chuck. Many times,
especially while pressing hard into the material being drilled, the
bit slips. No matter how much I tighten the chuck, the bit continues
to slip. Other than replacing the chuck, which isn't worth it, what
can be done? Is there a spray of some sort or something else to
provide a better grip on the bit.

I bet that it is a ****ty keyless chuck, in which case the fix is to
replace it with a decent Jacobs keyed chuck.

nate

Or a decent keyless chuck.