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RA Quick Release Bolt

RA Quick Release Bolt

RA Technology

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RA QRB Quick release bolt is designed for installations where the projector needs to be removed regularly. The QRB replaces the M10 retaining bolt connecting the Mount to a 50mm Column or Wall Mount, meaning it can be used in conjunction with any RA Mount Products which have an M10 retaining bolt including our RA3 RA4 plus all our Centurian Entrapment Cages. The image above shows the QRB being used with an RA3 Universal Mount an RA1 Ceiling Mount Plate.

RA Technology's own words, read from their page.

Buy from RA TECHNOLOGY LIMITEDRA TECHNOLOGY LIMITED is a UK retailer, not the maker. Out of stock. Price seen 2026-09-21. Not an affiliate link, we earn nothing from it.

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.