4.0 mm Locking Screw: additional lengths

Additional lengths of the 4.0 mm Locking Screws are now available from 2060 mm in 4 mm increments. Together with the existing lengths from 1858 mm in 4 mm increments, the 4.0 mm Locking Screws now range from 1860 mm in 2 mm increments overall. The screws are self-tapping and have the T25 StarDrive Recess which offers a better resistance to stripping.


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The brands and labels “approved by AO Technical Commission” and “approved by AO Foundation”, particularly "AO" and the AO logo, are AO Foundation's intellectual property and subject to trademark applications and registrations, respectively. The use of these brands and labels is regulated by licensing agreements between AO Foundation and the producers of innovation products obliged to use such labels to declare the products as AO Technical Commission or AO Foundation approved solutions. Any unauthorized or inadequate use of these trademarks may be subject to legal action.

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