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Corner Chisels

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Corner Chisels – Precision Tools for Square Corners and Joinery

Corner chisels are specialised woodworking hand tools designed to create clean, accurate 90-degree corners in timber. Featuring right-angled cutting edges, corner chisels remove material from two adjoining surfaces simultaneously. This makes them particularly useful for cleaning up mortices and recesses created with routers, drills or other woodworking tools. Their design helps produce consistent square corners with less manual trimming.

Available in traditional hand-operated and spring-loaded designs, corner chisels offer different approaches to precision joinery. Hand-operated chisels provide controlled cutting for detailed woodworking, while spring-loaded corner chisels simplify the process of squaring shallow recesses, making them practical for cabinetmaking and hardware installation.

FAQs

What are corner chisels used for in woodworking?

Corner chisels are used to square internal corners in timber, particularly in mortices, hinge recesses and cabinet joinery. Their right-angled cutting edges remove excess material for clean, accurate 90-degree corners.

How does a corner chisel work?

A corner chisel features two cutting edges positioned at 90 degrees. When pressed or struck into a timber recess, the blades remove material from both adjoining sides to create a square internal corner.

Can corner chisels be used for hinge installation?

Yes. Corner chisels are ideal for squaring the rounded corners left by routers when cutting hinge recesses. This helps achieve a neater fit when installing square-cornered hinges in doors and cabinetry.

Why use a corner chisel instead of a standard chisel?

Corner chisels cut two adjoining surfaces simultaneously, making it easier to produce accurate 90-degree corners. Standard woodworking chisels require separate cuts along each edge, which can take more time and careful alignment.

Which corner chisel is best for cabinetmaking?

Spring-loaded corner chisels are convenient for shallow hinge recesses, while traditional hand-operated chisels offer greater control for deeper mortices and detailed joinery. Choose according to the cutting depth and application.

How do you sharpen a corner chisel?

Corner chisels require careful sharpening to maintain their 90-degree cutting profile. Use suitable sharpening stones or abrasives to maintain the bevels while preserving the alignment of both cutting edges.

Are corner chisels useful for mortice and tenon joinery?

Yes. Corner chisels help square rounded mortice corners after drilling or routing, allowing properly sized square-cornered tenons to fit accurately. They're useful for furniture making, cabinetmaking and traditional timber joinery.