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Review on 6 Piece Hymnorq HSS Metric Combination Drill And Tap Bit Set With Spiral Flute And 1/4” Hex Shank, Ranging From M3-M10 - High Speed Steel For Enhanced Performance by Ghostnote Azevedo

Revainrating 1 out of 5

Poor metal Snapped very easily

I bought a total of 3 of these and had some very poor luck with them. Using on some 3/16 inch copper bus bars. The tap portion seems to bind easily and snap. I managed to get 34 holes drilled and tapped using 3 of these. (they are all snapped now) Would not recommend.

img 1 attached to 6 Piece Hymnorq HSS Metric Combination Drill And Tap Bit Set With Spiral Flute And 1/4” Hex Shank, Ranging From M3-M10 - High Speed Steel For Enhanced Performance review by Ghostnote Azevedo



Pros
  • Excelente mucho mejor calidad que greenlee
Cons
  • Seems to work fine in plastic and aluminum. Snapped the first time I used it in steel.