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1.Prepare the size you need
2.Slowly rotate the hand drill to make the suction cup of the three jaw mouth larger
3.Insert the twist drill into the three-jaw chuck
4.Turning the hand drill to tighten the three-jaw drill
Michael
Reviewed in the United States on March 12, 2025
Almost all the bits come in a plastic bags, with no indication of what is what. The smaller PCB bits do having markings on them, and they look good quality, but I wish the rest had markings or came in a box that had markings.
festis
Reviewed in the United States on January 31, 2025
DECENT PIN VICE WITH SMALL ASST OF DRILL BITS.I WOULD BUY IT AGAIN IF I NEEDED ONE
Richard H
Reviewed in the United States on July 6, 2024
Excellent product, worth every dollar!
Always Looking for the Truth
Reviewed in the United States on November 9, 2024
This set is great! Because I work a lot on gold and silver, the smallest bits do tend to snap off. For drilling pearls, and for wood, they are great! Sharp bits, and they make clean holes. I'll just keep replacing the drill bit parts - the twist vise is holding up fantastically.
GKO
Reviewed in the United States on October 24, 2024
Has all the sizes I need for carburetor jets
Robert B English
Reviewed in the United States on April 24, 2024
I only used this once and it worked great. I used it on a brass plug and cleaned a hole on my boat motor speedometer tube. (same drill and same time) Glad I bought it.
Larry Mullins
Reviewed in the United States on July 21, 2023
These bits are very well suited for carburetor work. The steel bits perform very well. The carbide are excellent but you must keep in mind carbide is very brittle and if you over stress them they will brake.
DR. VNY
Reviewed in the United States on September 9, 2022
Nice set for the money and the material looks of good quality until you go to use them! Everything below about 1mm is very easy to break. I was hoping the 0.2mm bit would be nice to clean 3d printer nozzles but they almost instantly broke. They easily bend and snap and basically, you get what you pay for. The larger bits above 1mm seem like they may last a project or two. So if your looking for variety, this is a good set for the money, but these are far from quality. Keep in mind that the color coded bits do not have much vertical height when working below 0.4mm, so they aren't of much use. Definitely don't use by hand or you will break all of them, no matter how careful you are. They snap easily even if used the right way. My conclusion, if you want something cheap and that may work for anything above 1mm, than this is a good set, but below that, don't waste your money!
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