Abstract: An improved kerf clamp for maintaining two sheet members in pre-disposed relation on either side of a kerf. The clamp is fabricated from sheet metal stock in such a way as to maximize strength and minimize material and production costs. The clamp includes a generally planar sheet metal base which is ribbed for added rigidity and includes an integral kerf blade which extends perpendicularly therefrom and has a stud screw extending axially from the distal end thereof. In use, the base is positioned underneath the sheet material to be clamped with the blade extending upwardly through a kerf cut therein. The clamp also includes a pressure part formed from sheet metal which is bent and shaped into a hollow tubular structure having a narrow upper gripping portion. A pair of sheet metal bulkhead-like inserts are mounted within the pressure part to impart rigidity and strength in compression.