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1311 Review
41 Karma

Review on Bosch CO2137 3 1 Cobalt Drill: Superior Performance and Versatility by Jayshawn Cuatlayol

Revainrating 1 out of 5

Cobalt? I do not think so.

I bought this nozzle for one purpose only - to make grooves on the barrels for the gas block set screws. I filled the first keg with ease. Took maybe 3 minutes Tried to squeeze out 2 more barrels and this bit barely scratched the surface. I am very disappointed in this beat.

Pros
  • Hardened surface for punching through hard abrasive materials
Cons
  • I don't remember, but there was something