Leading U.S Wholesaler Of Diamond Saw Blades

Contractor Series Diamond Core Drill Bits

Availability: In stock


*Free Shipping Over 550 Core bits Sold! Pro Grade Bits!



Lowest Overall Cost Core drill bits

  • 17″ Overall Length
  • 10mm Segment Height
  • 1 1/4 – 7 UNC Thread
  • Run Wet or Dry
  • Double Tensioned (Most others on the market are single tensioned)
  • New MBS 960 xl grade of synthetic diamond


Don’t be fooled by cheaper priced core bits these have ultra long hole life & built up to 9001 & 9002 ISO quality standards

What can I cut with this core bit?..
  • Brick (w/ Iron Pigment)
  • Block
  • Clay
  • Clay Pavers
  • Concrete Pipe
  • Concrete Pavers
  • Field Stone
  • Quarry
  • Reinforced Concrete
  • Slate
  • Stone
  • Tarmac
  • Terra Cotta
  • Roof Tile
  • Blue Stone
  • Sand Stone

Additional Information



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Country/Region of Manufacture




“Product works amazingly well so far! I have ~ 1k Sq Ft Condo, and I get compliments all the time on the smell of the place. It adds a crispness to the air that is really pleasant.”


Good Smell

“A+ Seller, product as described, thank you! ”


A+ Seller

“The PB 550 arrived sooner than originally anticipated. Great packing and superior shipping service. Highly Recommended Seller.”


Sooner Than Anticipated

“Will order from them again. Received it before the ship date given to me. Thanks!”


Received Faster Than Expected

“No issues, came as described and on time, worked as described.”


Worked as Described

” I was trying to meet a deadline and after contacting the seller, they responded quickly and worked their hardest to get my delivery to me early”


Deadline to Meet

“Great company, great dye for brightness and longevity. If you’re carrying your polished concrete further up in the grits this is one of the best to use.”


Great Company

“Great place to deal with I highly recommend them”

-Tom Oreilley

Great Place to Deal With

“Overall seems to be a good product as described and color matches image. Note if you are sealing this product it will be darker in tones once finished”






Customer Feedback

“Great Service, Fast Shipping and Great Prices what more could you need?”


Great Service

Why Choose Us?

Diamondblades4us® has been a leading U.S. wholesaler of diamond saw blades, diamond core bits, tuck point blades, turbo blades, loop blades, diamond cup wheels, diamond polishing pads,and other specialty diamond cutting and finishing tools for over 20 years. Our company continues its time honored tradition in supplying the industry with the best diamond blades and other diamond equipment available at the most reasonable pricing.

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