A woodworker cuts a row of square mortise holes into a wooden beam using the hollow chisel drill bit in a benchtop mortising machine.
The hollow chisel drill bit in a mortising machine cutting square holes in a wood beam, with three more chisel bits of different sizes on the bench.
Four-panel image showing square holes cut in wood by the hollow chisel bit, a close-up of its auger and chisel tip, the bit cutting in a mortiser, and four bits on a workbench.
A hand holds a single hollow chisel drill bit upright, showing the auger inside the square chisel and the round shank, above a wood workbench.
Four hollow chisel drill bits in graduated sizes lying side by side, stamped with sizes from 1/4 to 1/2 in, on a white background.
A single hollow chisel drill bit shown at an angle with its spiral auger extending from the square chisel end, on a white background.

Precision Carbide-Tipped Hollow Chisel Drill Bit

$54.95
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Size: 1/4" Drill bit

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Carbide-Tipped Hollow Chisel Drill Bit for precise mortises

Drills and chisels in one pass to produce square, clean mortises. Carbide-tipped cutting edges keep their edge through repeated use. Designed for use with mortising machines or drills and suitable for both hardwood and softwood.

Save time and achieve square cuts every time

✓ Precise, square mortises: Hollow chisel design drills and chisels in a single operation to leave straight, clean edges and tight-fitting joints.

✓ Carbide-tipped cutting edge: Carbide tips hold their sharpness longer for cleaner cuts in both hardwood and softwood.

✓ Faster, neater workflow: Cleaner cuts reduce the need for sanding or trimming, helping you complete joinery more efficiently.

✓ Consistent results: The chisel-guided bit produces repeatable, even holes for reliable joinery across multiple pieces.

✓ Compatible with mortising setups: Designed to work in compatible mortising machines and drill-mounted setups for versatile use.

Designed to streamline mortising work, this hollow chisel bit cuts and chisels at once to avoid jagged edges and improve joint fit. Carbide tips retain sharpness for repeated cutting, helping reduce post-cut sanding and trimming. Use with mortising machines or compatible drills. Available in multiple sizes to match common mortise dimensions.

Specifications:
  • Available Sizes: 1/4 in, 5/16 in, 3/8 in, 1/2 in
  • Material: Carbide-tipped cutting edge
  • Shank: For mortising machines and compatible drill setups
  • Design: Hollow chisel for square holes
  • Suitable for: Hardwood and softwood
Package Contents
  • 1 × 1/4" drill bit, 1 × 5/16" drill bit, 1 × 3/8" drill bit or 1 × 1/2" drill bit (depending on the variant you choose)