Pressure lock steel grating is a kind of high strength grating. It is a product featuring unique combination of uniformity and precision. It has light structure, elegant style, beautiful and natural design and it is maintenance-free. Press-locked steel grating is used in civilian and commercial buildings, theatres, subway, suburban railway, and other municipal engineering. It exhibits the same strength, long life and openness as welded grating. Materials applied include mild carbon steel and stainless steel. It is also available in a serrated surface for extra safety. Specify the following index for your requirements: Height of End Plate (H); Pitch of Cross Bar (CP); Width of Grating (W); Length of Grating (L); Thickness of Bearing Bar (T); Pitch of Bar (PB); Height of Bearing Bar (H).