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Review on ZJchao Tungsten Carbide Drilling Engraving by Adam Madden

Revainrating 5 out of 5

Zjchao Tungsten 20 pcs 1/8 "

Strong rods won't bend or fail. They were used to turn 80% of AR blocks into subs. I'm very happy with this set of bits. I use them with a $20 replica dremmel with port cargo line Would buy again.

Pros
  • Confident
Cons
  • Unfashionable