Description of Spiral Router Coated Carbide Flutes
Spiral Router Bit Up-Cut with ZRN Coating 4 flutes. Premium Solid Carbide,Ultrafine Micro-Grain Carbide. Cutting Diameter:1/8" Cutting Length:1-1/8" Shank Diameter:1/4" Overall Length:2-1/2". High Precision Finish and Long Lifetime Guarantee. Suitable for cutting many types of wood materials,plastics.
First pass with this cutter at 1/8 inch depth on six boards was fine. Raised the cutter another 3/16 of an inch and on the second board at that depth the cutter broke.