Jorgensen Cabinet Master Parallel Bar Clamps ReviewThe Jorgensen Cabinet Master from Adjustable Clamp Co. is at its best when it’s being used for cabinet construction although it does well for any other clamping and spreading jobs. What parallel bar clamps like the Jorgensen do is provide a 90 degree clamp angle where each jaw is parallel to the other.

The jaws and bars are smooth and apply equal pressure to wooden surfaces during clamping jobs; the reinforced steel and casting construction of the Jorgensen allows for a great deal of durability and sustainability. This is then in turn wrapped by bright orange, hardened plastic covers.

The throat depth measures close to 4” or 10 cm and represents just how far in that clamp can reach and apply pressure; the value represented here signifies that this tool is going to be useful for cross clamping (using the most jaw surface area as possible) panel glue ups, particularly when you’re working with a handful of clamps. One feature which distinguishes this from its competition is the fact that square is absolutely set at a 90 degree angle and the distance between the bar’s edge and the jaw’s outer edge is ¾” which means you can clamp that distance with full contact. The capacity of the clamp itself depends on the length you’ve purchased; Cabinet Master clamps come in a number of different lengths listed below:

  • 12”
  • 18”
  • 24”
  • 30”
  • 36”
  • 48”
  • 72”
  • 96”


That said, regardless of the length purchased, you still get the same great jaws and jaw construction, quality and build wise; only the bar’s length is what changes. There is an adjustable jaw which allows you to clamp items of various lengths; this then glides along the bar through four guide rods at the jaw’s base. Lifting the screw handle, this helps in disengaging the clutch discs from the bar and is the method through which the Cabinet Master grasps and secures the bar. Constructed from plated, hardened high carbon steel, they look and feel like many of the discs you find on regular pipe clamp fixtures.

On top of the adjustable jaw is the main screw handle (measuring 5/8” in diameter), constructed from maple and is quite ergonomic.

Moving onto the bar, it features concave faces on its 1 3/16” x 3/8” interface, which are meant to reinforce the bar as well as to substantially lessen twisting or bending under clamp pressure.

When setting up the Cabinet Master for joint clamping, we made sure the fixed jaw was butted against one end of the joint along with ensuring the screw was backed up, slid the adjustable jaw to the other end of where we wanted to apply pressure and started turning the screw. While the

Cabinet Master initially worked to clamp itself onto the bar, it slowly began to build pressure. The clamp itself allows for a maximum of 1000lbs of pressure which in any small project is pressure aplenty, but for larger projects you might want to opt out. The great thing about the Cabinet Master is that the pressure’s applied evenly and squarely onto the joint face helping to prevent bending, bowing and twisting of a joint while the glue sets.

Right at the end of the clamp bar is a black plastic support stopper which helps in stopping the adjustable jaw from sliding off and damaging it, while simultaneously serving as a support for the end of the bar. Meaning it can’t stop forwards or backwards during use and helps give the tool a sense of stability. However, if you are using a narrow surface, the spring loaded pin in the stopper can be released which slides anywhere along its length providing consistent support. This feature is perfect for dovetail testing.

During our everyday use of the Cabinet Maker Parallel Bar Clamps, these have performed extremely well although they are on the heavier side which means it will take a bit more effort, but nothing technically challenging. Both easy to use and adjust, the entire tool is ergonomic and user friendly and definitely recommended.

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