We drilled and tapped our ShopSabre CNC Router bed for different work holding options. Let's walk through how we did that.

See the video

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Feeds & Speeds for Phenolic

You’ll need to turn off safe limits (on WinCNC) and potentially use a longer tool holder like a 100mm length.

.266” (17/64) Diameter HSS Drill - Clearance Drill for 1/4-20 Hardware

• 4300 RPM

• 13 IPM (.003” FPT)

• Pecking: Deep Drilling, Full Retract

  • Pecking Depth 0.2

Do not drill into steel with CNC - you want to be just shy.

Manual Steps

• Hand Pre-Drill Steel for 1/4-20 Tap – 13/64” – https://pdxc.co/drill-1-4-20

• Hand Tap 1/4-20 into Frame by Hand

  • 1/4-20 Tap - https://pdxc.co/1-4-20tap

  • Tap Handle - https://pdxc.co/tap-handle