Bar Grating Products WELDED GRATING GLOSSARY ORDER/SPECIFICATION INFORMATION STEEL WELDED GRATING STEEL PRESSURE-LOCKED GRATING (1-3/16″ CENTER TO CENTER OF BEARING BARS) STEEL WELDED GRATING STEEL PRESSURE-LOCKED GRATING (15/16″ CENTER TO CENTER OF BEARING BARS) STEEL WELDED CLOSE-MESH GRATING STEEL PRESSURE-LOCKED CLOSE-MESH GRATING (11/16″ CENTER TO CENTER OF BEARING BARS GRATING STAIR TREADS HEAVYDUTY GRATING CLEARANCES/ANCHORING DEVICES I-BAR ALUMINUM GRATING RECTANGULAR BAR ALUMINUM GRATING