Drill 1" Holes in Granite and Concrete

1" Diamond Core Bit Granite Concrete
1" Diamond Core Bit Granite Concrete
Item# 100PROGC
Regular price: $94.35
Sale price: $23.89
Availability: Usually ships the same business day

Product Description

You'll drill holes in concrete, granite and stone! These are our toughest diamond core bits.

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" diamond core bit is commonly used to drill holes in marble and granite counter tops.

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" holes in ceramic tile, hardened porcelain floor 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...drills worked great! Thank you so much."
E.G. in New Brunswick, NJ

Drill Glass LLC
1227 Rockbridge Rd.
Suite 208-164
Stone Mountain, GA 30087


Office 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 questions, comments, and suggestions: Guy Reddick by email.

Thanks again!