Monumental Mason Core Drills

Monumental Mason Core Drills

£81.10£132.30 ex VAT


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Monumental Mason Core Drills

Metal bond diamond core drills for wet cutting holes in granite and hard marble headstones and curb sets in accordance with NAMM accredited fixing systems.

The 90mm diameter is used for cutting vase hole in headstone bases.

Available in 20, 24, 28 and 90mm diameter, with 7mm high segment, 200mm effective tube length and ½” BSP fitting.

Technical Info

All Dry/Wet Core Drills – Various



Recommended (RPM) Maximum (RPM)
20 2000 2500
24 2000 2200
28 2000 2200
90 630 840


  • Must be used wet with sufficient central and external water feed.
  • Clean thread and fitting before loading any new core drill.
  • Enter stone slowly.
  • Re-sharpen with dressing stick (reducing 50% RPM) if/when drill glazes.