"1/4" Diamond Core Bit Drill Granite, Marble ...even Concrete! Female 5/8" Threads

1/4" Diamond Core Bit Granite Concrete - Female Threads
1/4" Diamond Core Bit Granite Concrete - Female Threads
Item# 14PROFT
Regular price: $48.65
Sale price: $29.95, 2/$54.20
Availability: Usually ships the same business day

Product Description

1/4" Diamond Bits for Granite and Concrete
Female Threads Fit Your Angle Grinder



Learn how to drill granite, rock and marble. FREE drilling guide. FREE shipping. You'll drill holes in concrete, tile, 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 1/4" diamond core bit is a popular size for setting anchor bolts in tile, stone and granite.

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 1/4" holes in ceramic tile, hardened porcelain floor tile, even granite and concrete.
  • 2 3/8" depth of cut, 5/8" female threads to fit your angle grinder
  • Fits almost any angle grinder with 5/8"-11W threads


These diamond core bits, 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

DiamondBurs.Net LLC
1227 Rockbridge Rd.
Suite 208-164
Stone Mountain, GA 30087
We don't currently have a retail storefront location.
1-404-382-8122 (Phone)

1-706-407-4447 (Fax)

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!