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5/16" Core Bit

21,957 Satisfied Customers!

Are you drilling ceramic or porcelain tile? Mounting a towel Bar? This 5/16" hole saw is the most common size for holding the towel bar anchors in your bathroom wall. 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!


5/16" (8mm) Diamond Hole Saw
516DHSRegular price: $19.10Sale price: $17.50, 2/$29.70
Your order is shipped within 24 hours.
Your information is never sold or rented.


DiamondBurs.Net LLC
4426 Hugh Howell Rd.
Suite B-198
Tucker, GA 30084
1-800-853-9403 (Toll Free)
1-706-407-4447 (Fax)

Store Hours: (Monday-Friday) 8:00AM to 4:00PM EST

All orders received by 3:00PM (EST) are shipped the same business day.

Thank you for your business. Please send comments, suggestions and feedback to: Guy Reddick by email.

Thanks again!

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www.drillglass.com