Core Bit Finder

Select your drill. CoringSpec loads thread, adapters, and capacity automatically. Results use the same compatibility engine as drill pages: VERIFIED FIT, SPEC-MATCHED, ADAPTER REQUIRED, with reasons shown.

Select your drill Machine setup Material Hole diameter (inches) Hole depth (inches) Wet / Dry Reinforcement level Preferred brand (optional)

Thread/arbor loads from the selected drill. Compatibility always shows why, never “compatible” from thread alone.

Products for this page

Diamond core bit

VEVOR Wet Core Bit

5" shown · wet

Value wet coring 5" × 14" on handheld or stand drills with 1-1/4"-7 UNC.

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Diamond core bit

BLUEROCK Wet

4" shown · wet

Wet concrete/masonry coring at 4" on 1-1/4"-7 UNC machines within capacity.

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Diamond core bit

VEVOR Wet Core Bit Set

6" shown · wet

Value multi-size wet kit: 1, 2, 3, 4, 5, and 6" bits, universal 1-1/4"-7 UNC, 14" depth.

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Diamond core bit

BLUEROCK Dry

4" shown · dry

Dry masonry/concrete coring at 4" on 5/8"-11 UNC path (adapter on Z1 1-1/4"-7 UNC spindles).

Check on Amazon Specs

Paid links. Specs on this site come from manufacturer documentation, not from the retailer.