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Your cart is empty. User Guide:
* Choose a sutiable size drill bit depend on the woods' hardness level:
- If the wood is a soft one, choose a relatively one size smller drill bit;
- If the wood is a hard one, choose an exact size or a relatively one size larger drill bit;
* Choose a Sutiable Size Drill Bit Depend on the Diameter of the Screw:
- 5/64" bit can drill a hole(hole diameter is 2mm) for screws whose diameter is 2.2-2.8mm;
- 7/64" bit can drill a hole(hole diameter is 2.8mm) for screws whose diameter is 3-3.5mm;
- 9/64" bit can drill a hole(hole diameter is 3.5mm) for screws whose diameter is 4-4.5mm;
- 11/64" bit can drill a hole(hole diameter is 4.5mm) for screws whose diameter is 5-5.5mm;
- 5mm bit can drill a hole(hole diameter is 5mm) for screws whose diameter is 5.5-6mm;
- 13/64" bit can drill a hole(hole diameter is 5.2mm) for screws whose diameter is 6-6.5mm;
- 1/4" bit can drill a hole(hole diameter is 6.35mm) for screws whose diameter is 7-7.5mm;
* What if the drill bit get stucked:
- If the drill bit get stuck and jammed after drilling and you are not able to pull it out, use the L-Shape Wrench to disassemble the drill bit into parts, then you can get the bit out.
What You Will Get:
8 x Self Centering Drill Bits
1 x L-Shape Wrench
1 x Black Plastic Case
bruce a. moniz
Reviewed in the United States on February 25, 2025
these are useless pieces of junk . they don't slide properly . the drills are not sharp at all .
Jon Brown
Reviewed in the United States on July 21, 2024
Cheap. Break easy. Not long enough in many instances.
Copperhead
Reviewed in the United States on February 25, 2024
I love this self centering drill bit! I am very particular about centering a drill bit when hanging door hinges! Getting this right solves problems that will have to be handled later on! Although I’m still learning to use them, they work great!
Bruce Benoit
Reviewed in the United States on April 26, 2024
This would appear to be a great deal, but the quality is very bad.The drills are so bad that they won't even drill into softwood without force.Maybe if you don't mind changing all of the drills, the product might be useful.Bite the bullet and spend the needed $30-$40 for a decent set.
Ralph
Reviewed in the United States on May 11, 2023
Work well, and adjustable
Customer
Reviewed in the United States on April 18, 2023
Great tools to predrill holes for hardware in hardwoods and plastics. No more almost centered holes. Now all the fasteners are perfectly seated.
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