The 430.2 variant features a 30-degree helix profile (compared to the 39-degree profile on the 439 series) and is specifically engineered for high-feed slotting and side milling in steels, alloy steels, copper alloys, and cast iron....
For sale is a Niagara 8" x 1/8" x 1" High Speed Steel, Slitting Saw Blade, No....