BENCHProject Farm index

Motor Oil

Is Used Motor Oil As Good As Cutting Oil for Drilling Metal?

Jun 2020/15 min/6 products tested

Watch the test ↗

The verdict

  1. 1

    Tap Magic Cutting Fluid

    “Tap Magic seems to have come out on top with CRC in a very close second.”
    Buy on Amazon ↗
  2. 2

    CRC C3400 Truetap Cutting Fluid

    “Tap Magic seems to have come out on top with CRC in a very close second.”
    Buy on Amazon ↗

Other picks

  • Also noted

    CLI Syntec Premium Metal Tapping Fluid

    “I was also really impressed with CLI Syntec as well as Rapid Tap.”
    Buy ↗
  • Also noted

    Rapid Tap Cutting Fluid

    “I was also really impressed with CLI Syntec as well as Rapid Tap.”
    Buy ↗
  • Also noted

    Lenox

    “Unfortunately, the Linux just did not do a very good job.”
    Buy ↗

Everything tested 6

Links go to Todd's own Amazon listings with his affiliate tag intact — this site adds nothing and takes nothing.