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Tip #213
Gripping tiny drill bits

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Super-small drill bits are often just too small to be gripped in conventional drill chucks without slipping. So, other than running to the store to purchase an expensive zero clearance chuck, what do you do.

If you happen to have some rosin-core solder around the shop, the core may be large enough to accommodate your drill bit.

If so, cut off a piece of your solder about 1" long…shove the bit down into the solder's core and insert the whole thing into your drill's chuck.

When you tighten the chuck down, the solder will compress, gripping your tiny bit solidly…with a rosin coating that won't let it slip.

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