Upgrade Your Machining Performance With The Machel 4-inch Fly Cutter With Straight Shank And Hss Tool Bit, A Reliable And Heavy-duty Solution Designed For Precision Surface Finishing And Face Milling Operations. A Fly Cutter Is Widely Used In Milling Machines To Produce Flat, Smooth Surfaces With High Accuracy, Making It An Essential Tool In Metalworking Industries. This Machel Fly Cutter Features A Large 100mm (4-inch) Cutting Diameter, Allowing You To Cover A Broader Surface Area In Fewer Passes—saving Time While Improving Finish Quality. Built With A Robust Steel Body And A 3/4" (19mm) Straight Shank, It Ensures Stable Mounting And Reduced Vibration During Operation. The Included High-speed Steel (Hss) Tool Bit (12.7mm Square, 100mm Length) Delivers Excellent Cutting Performance, Heat Resistance, And Durability, Making It Ideal For Both Light And Heavy Machining Tasks. Whether You're Working On Lathe Machines, Milling Machines, Or Cnc Setups, This Tool Provides Exceptional Versatility. It Is Perfect For Machining A Wide Range Of Materials Including Steel, Aluminum, Brass, And Other Metals, Delivering A Clean, Professional-grade Finish Every Time.