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Review on πŸ”§ Enhance Efficiency with SpeedLoad Hex Shank Countersink 4 Piece Set by Ray Mcknight

Revainrating 1 out of 5

Won't stick to aluminum more than once

Nowhere on product packaging says it doesn't work on metal (other drill bits work on wood, plastic and metal). So I bought them to countersink a few holes in an aluminum (rather soft metal) bar. The countersinks only lasted ONE APPLICATION before becoming too dull and just spinning when heated. Useless rubbish back then.

Pros
  • Power and hand tools
Cons
  • Some minor things