Diamond Plus offers greater durability and toughness. Higher grade diamonds and improved braze provide best-in-class performance. Threaded hole saw features large slot geometry for easy plug removal. Ideal for cutting, anchoring and clearance holes in all tile, stone and glass. Use with standard hole saw arbors or with angle grinder adapter or retractable starter bit. 1/4" Dia x 2" L Pilot drill size. No. 49-56-5605: Diameter: 7/8 In., Material: Diamond Grit, Cutting Depth: 1-1/2 In., Pkg Qty: 1, Package Type: Box No. 49-56-5615: Diameter: 1-1/8 In., Material: Diamond Grit, Cutting Depth: 1-1/2 In., Pkg Qty: 1, Package Type: Box No. 49-56-5620: Diameter: 1-1/4 In., Material: Diamond Grit, Cutting Depth: 1-1/2 In., Pkg Qty: 1, Package Type: Box No. 49-56-5625: Diameter: 1-3/8 In., Material: Diamond Grit, Cutting Depth: 1-1/2 In., Pkg Qty: 1, Package Type: Box No. 49-56-5630: Diameter: 1-1/2 In., Material: Diamond Grit, Cutting Depth: 1-1/2 In., Pkg Qty: 1, Package Type: Box No. 49-56-5645: Diameter: 2 In., Material: Diamond Grit, Cutting Depth: 1-1/2 In., Pkg Qty: 1, Package Type: Box No. 49-56-5660: Diameter: 2-1/2 In., Material: Diamond Grit, Cutting Depth: 1-1/2 In., Pkg Qty: 1, Package Type: Box