Amazing diamond technology
helps you drill granite, marble
...even concrete.
FREE "How To" Instructions

1/2" Pro Series Core Bit

Over 21,957 Satisfied Customers!

You'll drill more than 100 holes in glass block or wine bottles! This is our longest lasting bit!

Are you looking for some "How To" information? It's FREE with every order!

"The instructions on how to drill .... were excellent!"
J.B. in Rohnert Park, CA

This 1/2" bit is the most popular size for drilling glass block and wine bottles.

Order now and you'll get:

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

Easy to follow instructions in your drilling guide guarantee your results.

You'll drill 1/2" holes in glass, glass block, wine bottles, ceramics, porcelain tile; even granite and concrete
1 3/8" depth of cut, 3/8" arbor or shank
Fits any hand drill or drill press

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

Order Now for FREE Shipping!

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

"Your...glass drills worked great! Thank you so much."
E.G. in New Brunswick, NJ

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!