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Description
These bits work fantastic on PCB boards. Sharp and twisted flute will make the drilling be more easy and effortless. They come in a easy-to-use plastic case with a holder for each bit. Drills bits are perfect for delicate drilling through hard materials for model engineering, jewelry repairs, craft work, suitable for PCB, SMT, CNC, mold, sculpture, plastic, copper, stainless steel.
A good choice for your perforation work
russ jones
Reviewed in the United States on June 10, 2023
Who could ask for more?
Lee M.
Reviewed in the United States on March 22, 2023
They do not look anything like advertised and appear to be all the same drill bit.?Not happy.
stephen j pavlisko
Reviewed in the United States on February 18, 2023
The product itself is fine, but the pictures are misleading. The photos show an assortment of sizes but the fine print says you get only 1 size. I feel like i got bamboozled. It does say that, but its not very prominent so read carefully. I will now go and buy an assortment elsewhere.
Joseph Ronemus
Reviewed in the United States on September 14, 2022
I ordered a set of these to ream out the carbon and dust deposits from a carburetor float bowl and repair it. Disassembly revealed I had more than a little build-up in a fuel jet to ream out. Still, the examination of the bits in this set was amazing for their precision and robustness. They seem like they would be well suited for drilling soft metal foils, PC boards, and soft ceramics. I think I would opt for a hand-cranked drill, rather than a powered drill or Dremel-type, tool to reduce the likelihood of snapping the bit in half. Better yet, just spin them between your thumb and fingers for long-lived bits.
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