Description Product Reviews Klein Bi-Metal Hole Saw, 1-1/8” 31918 Optimized for cutting steel including stainless steel. Optimized for cutting steel including stainless steel. Cuts precise holes in stainless steel and mild steel, drywall, ceiling tile, laminates, wood and plastic. Longest lasting, fastest cutting blade on the market. Multiple slots provide different leverage points to easily remove slugs. Heavy-duty steel construction includes 5 mil back plate to withstand abuse. Base with flat edges for easy removal from arbor. Use with Klein Tools Arbor (Cat. No. 31905). Sold separately. 0 Reviews Hide Reviews Product Reviews