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Concrete drill bit Dedra WXQ2257 SDS‑MAX 22 mm
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Venipak Locker LV
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1.89 €
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The Dedra WXQ2257 SDS‑MAX 22 mm concrete drill bit is designed for use with SDS‑MAX rotary hammer drills to create precise 22 mm diameter holes in concrete, masonry and similar building materials. The bit is intended for tasks such as installing anchors, routing conduits and other fixing works in construction and renovation. Its geometry and shank type ensure reliable transfer of impact energy from the tool to the cutting head, enabling consistent drilling performance in dense substrates.
The SDS‑MAX shank provides secure engagement with compatible rotary hammers, reducing slippage during heavy-duty percussion drilling. The 22 mm diameter is suitable for common anchor sizes and conduit runs while maintaining adequate wall thickness for chip removal and stability. The cutting head design supports controlled penetration and helps extend bit life under normal working conditions. Overall, the bit balances drilling speed and durability for repetitive concrete drilling jobs.
Install the Dedra WXQ2257 SDS‑MAX drill bit into a compatible SDS‑MAX rotary hammer until it locks securely. Mark the drilling location and start drilling at moderate speed to establish a guide hole, then apply controlled pressure with the hammer function engaged to advance through the material. Periodically withdraw the bit to clear debris and reduce heat buildup. Ensure the drill is held steady and perpendicular to the work surface for accurate 22 mm holes. Follow the rotary hammer manufacturer's instructions for proper operation and safety.
Use appropriate personal protective equipment including eye and hearing protection and dust control measures when drilling concrete. Match the SDS‑MAX bit with a rotary hammer rated for the intended workload, and avoid excessive side load or bending force on the bit to preserve cutting performance and extend service life.
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