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United Kingdom
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Review on 5 Pcs Alloy Steel Screwdriver Drill Bits Set 50Mm/2Inch Length 1/4" Hex Shank U-Shaped Magnetic Power Tools by Firman Harrington

Revainrating 5 out of 5

These will work on locking refrigerant caps!

I bought these as an alternate to the JB locking refrigerant cap bits to see if they would fit and they do. The JB bits are about $5 each, and are very brittle, so they break off easily. These may be brittle too, but at least they're not $5 each.

Pros
  • These are unique screws and these work great for what I needed.
Cons
  • The bits' 50mm/2inch length also limits their use, making them unsuitable for projects that require longer or deeper drilling