Robert Sorby Select Screw Clamp 10" (250mm) Woodworking Clamp, 250kgf

A sliding head makes it easier to position this clamp around a workpiece before tightening. Its 250kgf clamping force and 80mm throat depth suit routine woodworking and joinery jobs. The 250mm size is aimed at smaller assemblies rather than work needing a longer reach. That makes it a practical choice for cabinet components and frame joints where controlled holding pressure matters.

Getting the most from it

For a frame assembly, position the sliding head along the bar, place the work between the heads and tighten using the wooden handle. The serrated bar helps the head hold its position, while the protective pads on the swivel shoe and fixed head spread pressure across the contact points. This is useful when bringing components together without putting the clamp directly against an unprotected surface.

The 80mm throat depth describes how far the clamp can reach in from the edge of the workpiece, so it is relevant when choosing it for a particular joint. Its 250mm clamping size is more suited to compact work than to wide panels or larger assemblies. For those, a longer clamp from the same general category may be a better match.

Benefits

Cast iron heads provide a solid clamping structure, while the nickel-plated bar is intended to resist corrosion during workshop use. The sliding-head arrangement lets you adjust the opening to suit different workpiece sizes, rather than relying on a fixed-width hold. With the screw handle, pressure can be applied and adjusted as the components are brought into position.

Compared with holding pieces by hand while assembling them, a clamp can keep them in place and leave both hands available for the next step. That is particularly useful for routine cabinet and frame work. It is not a substitute for choosing the right reach and opening for the job: the stated throat depth and 250mm size set the working boundaries for this version.

Key points

• Type: Screw clamp for woodworking and workshop tasks
• Size: 10" (250mm)
• Clamping force: Up to 250kgf
• Throat depth: 80mm
• Material: Cast iron heads with a nickel-plated bar
• Bar: Serrated, for improved grip
• Contact points: Protective pads on the swivel shoe and fixed head
• Handle: Wood
• Weight: 748g
• Colour: Silver

Is it worth it?

It’s a good fit if you regularly assemble smaller cabinet parts or frame components and want an adjustable screw clamp with pads to help protect the work surface. The combination of a sliding head and a wooden handle is suited to positioning and tightening by hand, while the stated force gives a clear indication of its intended clamping role.

Better avoided if the work needs a throat reach greater than 80mm or a clamping size beyond 250mm, a larger clamp would suit that job better. For this size, the decision comes down to whether its reach matches the pieces you usually assemble. If it does, the cast iron heads, serrated bar and protective pads make it a considered workshop choice rather than simply a clamp selected by length alone.