How often should I be sharpening my cheap little fly cutter? 1 3/8 body : r/Machinists

PCB Corn Tooth Milling Cutter 3.175/4/6mm Carbide Tungsten Drill Bit CNC Engraving Machine Knife Woodworking End Milling Head - AliExpress

The Ultimate Fly Cutter Resource: Surface Finish Rewards

Specification, Corner Radius, 1/4, Cutting Diameter(CD):, 3/4, Shank Diameter(SD):, 1/4, Cutting Length(CL):, 5/8, Overall Length(OVL):, 2, Tip

SpeTool W08001 Carbide Tipped Bowl & Tray 1/4 Radius x 3/4 Dia x 1/4 Shank x 5/8 Cutting Length x 2 Long Double Flute Router Bit

Hand Sharpening? Home Model Engine Machinist Forum

My uncle's 110 next to mine, About 40 years apart. : r/BuyItForLife

table saw projectile when your gut tells you the cut is sketchy, it's probably right. : r/woodworking

Hand Sharpening? Home Model Engine Machinist Forum

Hand Sharpening? Home Model Engine Machinist Forum

When is Manual Machining Better than CNC? - CNCCookbook: Be A Better CNC'er