Carpentry Hollow Chisel Mortise Bit - HSS Square Hole Mortising Chisel

This hollow chisel mortise bit cuts clean square holes for mortise-and-tenon joints, a square hole mortising chisel built for benchtop mortisers and drill-press mortising attachments.

• Sizes: 9.5 mm (3/8 in) or 10 mm square cut
• Material: High-speed steel (HSS) hollow chisel with inner auger bit
• Fit: For mortising machines and mortise attachments with a 3/4 in collar
• Use: Furniture, cabinet, timber-frame and door joinery
• Note: Not for handheld electric drills - requires a mortiser or mortising attachment

Typical delivery 7–15 business days.