Neiko 5-piece 5/32 to 1/2-inch diamond dust hole saw set. 1/4-inch shank size, saw sizes: 5/32, 1/4, 5/16, 3/8 and 1/2-inch. Heavy duty hole saws plated with nickel with diamond coating gives superior performance on ceramic tile and similar material.

High performance in cutting glass; Tiny diamond particles coated tip offers sharp cutting; To prolong its using life, please remember to keep it with coolant sometimes; Weight: 51g; Package Content: 1 x 32mm Glass Hole Saw

Professional Quality Core Drill Bits The diamond coating on these saws give superior performance and life.

The diamond coating on these saws give superior performance and life. Excellent results in glass, marble, slate, and tile. Nickel plated. Segmented design works better and lasts longer. Sizes (Shank diameter: 3/8"): 3/4" 1" 1-3/16" 1-3/8" 1-5/8" Note: To prolong the life of these bits, use on a low speed with coolant (water/oil)

Neiko 5-Piece 3/4 to 1-5/8-Inch diamond dust hole saw set. 1/4-Inch shank size, saw sizes: 3/4, 1, 1-3/16, 1-3/8 and 1-5/8-Inch. Heavy duty hole saws plated with nickel with diamond coating gives superior performance on ceramic tile and similar material...

Hardness gives the 30mm Tile Hole Saw the ability to cut through most materials, however, not designed to be used on wood or metal; Metal shaft and tiny diamond particles coated tip of the 30mm Tile Hole Sawfor strength and long lasting; Package content: 1 x Diamond Coated Hole Saw

Diamond coated tip and sturdy metal body, gives good performance and longer life.Designed for drilling 1/2" diameter holes.Used on glass, ceramic, porcelain, tile, limestone, slate, marble, granite, stone, and fiberglass...

Professional Quality Core Drill Bits The diamond coating on these saws give superior performance and life.

Features diamond coating on this hole saw give superior performance and longer life. Excellent for making clean and accurate hole on glass, ceramic and tile. Works better with a electric drill(here is not included).