Irwin IRW 373400BX

Irwin® Hole Saw, Linear Edge Variable Pitch, 4 in Dia, 4/6 TPI, 5-1/2 in Overall Length, Bi-Metal Cutting Edge, Bi-Metal Body, Toothed Cutting Edge, 80 rpm, Hex Shank, 3/8 in Shank, Blue, Applicable Materials: Aluminum, Brass, Cast Iron, Mild Steel, Stainless Steel, Steel, Tool Steel, Copper and Zinc

• Features

• Super sharp teeth cut faster and dulls less
• Variable depth gullets provide more efficient chip clearance
• 4/6 variable pitch teeth for reduced noise and improved performance
• Electron beam weld for stronger, longer lasting teeth
• Bi-metal construction for toughness and long life

Specifications