How To PC Case Mod Tips and Tutorials

The Primochill RFB – Rigid Finishing Bit

Modding Tips

primochill rigid finishing bit RFBCutting your rigid PETG tubing can sometimes be a pain as you can never get a nice straight cut. Seems like you can try your hardest, but it is never quite flat. If you do get it cut right, then you have to use a tool to clean up the edge and the use sandpaper the edge to get a smooth tapered edge so you don’t cut one of the o-rings in the fitting. The Primochill RFB (Rigid Finishing Bit) can take care of all of the about in just a few seconds.  With a standard hand drill, you can take 15 minutes of work down to just 15 seconds. You can also use the Primochill Rigid Finishing Bit – RFB – to trim down the length of the tubing to get that perfect fit.

The Primochill RFB - Rigid Finishing Bit rigid tubing, Water Cooling 1

  • Size: 1/2in. ID x 5/8 in. OD (12mm ID x 16mm OD or 13mm ID x 16mm OD)
  • Small tool easily stored
  • Designed to Fit Standard Drills
  • Sealed Bearings That Allow for Scuff-Free Spinning
  • Designed to Fit Standard Drills
  • Sealed Bearings That Allow for Scuff-Free Spinning
  • Material: PETG, PMMA (Due to extremely quick dulling of the bit, Copper tubing is not recommended.)
  • Practice using the RFB on some scrap rigid or cut longer than needed until you get the hang of how fast or slow the bit will remove material.


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Dewayne Carel

Dewyane began in the case modding scene when it was just starting out many years ago. Shortly after that, he started Modders-Inc to help others learn how to create and have fun with PC case mods. He has created works for the likes of Bethesda, Cooler Master, ASUS, CPU Magazine, Razer, Zotac and more.

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