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Punch deep, clean holes through reinforced concrete, heavy brick, and structural masonry with industrial speed. This premium DongCheng DC Gold 22mm x 450mm rotary hammer bit utilizes an SDS-Plus shank alignment and an ultra-tough carbide tip for maximum impact endurance.

• Premium Carbide-Tipped Tip: Engineered with a reinforced tungsten carbide cross-tip layout to ensure aggressive impact breaking and extended service life.
• Extended 450mm Length: Deep-reach tool profile makes it perfect for boring completely through thick masonry walls or setting deep heavy-duty mechanical anchors.
• High-Capacity Dust Fluting: Advanced double-helix flute structure clears concrete dust instantly from the hole to prevent bit binding and reduce friction.

Punch clean holes through reinforced concrete, heavy brick, and structural masonry with industrial speed. This premium DongCheng 12mm x 310mm rotary hammer bit utilizes an SDS-Plus shank alignment and an ultra-tough carbide tip for maximum impact endurance.

• Premium Carbide-Tipped Tip: Engineered with a reinforced tungsten carbide layout to ensure aggressive impact breaking and extended service life.
• Optimal 310mm Length: Extended tool profile makes it perfect for boring deep structural anchors or setting clean wire conduits through masonry partitions.
• High-Capacity Dust Fluting: Advanced double-helix flute structure clears concrete dust instantly from the hole to prevent bit binding and reduce friction.