3. Rotary hammer drill bits Engineered for masonry work, they deliver exceptional performance in concrete and brick.
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2025-08-14 18:23
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National Grating Fiberglass Trench and Drain Grates are available in two standard resin systems. Each providing different levels of corrosion protection. Both resin systems meet Class 1 Flame Spread Rating per ASTM E-84 test standards.