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Center Rock Inc. We Make Rock Disappear!

Center Rock DTH BITS

DTH Bits

Leading Bit Manufacturer


Nothing is more important to rock drilling success than drill bits that cut straight and fast through all types of rock. That’s why we offer our customers the best value in rock drill bits. Center Rock has a full range of face designs, button configurations, and shank styles in many sizes up to a 48” (1219 mm) head, to match application and rock they are drilling in.

Why CRI Bits

  • Made from premium alloy steel and high quality tungsten carbide.
  • Heat treated and shot peened to deliver a durable and reliable balance of strength and toughness.
  • Large bit forgings are individually ultrasonically tested and screened for inclusions and flaws.
  • Specially designed bits for any application. Challenge us!
  • Multiple varieties of head, face, shank and inserts available.
  • Advanced flow simulation used to improve chip removal and reduce noise.
Bit Drilling in progress
Bit drilling close up

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