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Sash Cramp

From DT Online

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Description

Sash Cramps are so called because their use in holding together large frames, such as window sashes, prior to gluing. They are used also when joining together wide boards.


Features and Applications

Notes: When gluing together large frames, check for square by measuring the diagonals and slightly angle the cramps to effect any correction needed. When joining boards together, alternate cramps top and bottom as shown, to prevent the boards buckling upwards under pressure.


The bar can be a plain steel section, a ‘T’ section or hollow. They may be drilled at regular intervals to receive pegs or have a gripping mechanism.


Extension bars are available and Cramp Heads enable a timber batten to be used as the bar.


Modern equivalents include Bar Clamps of various designs.


DT Online Buyers' Guide
RECord 135/2 30In Sash Clamp 24In Cap Record 135/6 54In Sash Clamp 48In Cap RECord L135/4 Lengthening Bar 36In Irwin Record M130 Clamp Heads [Energy Class A] Draper 38368 4 Piece Heavy Duty Clamp Set Record 122 Deep Throat G Clamp 4In Faithfull 65mm 2.1/2-inch Edging Clamp Irwin Quick-Grip 5462 One-Handed Mini Bar Clamps (Pack of 2) Irwin Record M141 Corner Clamp 4.1/4in Draper Tools 26206 DIY Series Spring Clamp Set (6-Piece) Jorgensen 3/0 Adjustable Handscrew with 6-Inch Jaw length and Maxiimum Opening of 3-Inchs, Model: 36586, Tools & Hardware store