Drilling glass or tile? Learn the secrets. FREE drilling guide.

5/16" Diamond Core Bit Glass Drill Bit

Are you drilling ceramic or porcelain tile? Mounting a towel Bar? This 5/16" hole saw is the most common size for anchors in your bathroom tile walls for fixtures. It's an easy job with your copy of the Helpful Hints Drilling Guide.

Order now and your order includes:

• FREE "How-To" Drilling Guide so that you don't waste your drill bits, glass, time or money.
• FREE shipping saves you money
• 100% money back, no risk guarantee

These diamond core bits, or diamond hole saws, are the best value that you’ll find on the web or anywhere else.

• You'll drill 5/16" holes in glass, glass block, tile and stone
• Perfect size for small electrical, lamp or lighting cords
• 1" depth of cut, 1/4" arbor or shank
• Fits your hand drill or drill press
• Designed to be used wet, with lubrication

It really is an easy decision. You’ll be glad you did!