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material | low carbon, middle carbon, stainless steel | ||||||
bearing bar type | flat bar, serrated bar , I bar, etc | ||||||
bearing bar (width*thickness) | 25*3, 25*4, 25*4.5, 25*5, 30*3, 30*4, 30*4.5, 30*5, 32*5, 40*5, 50*5, 65*5, 75*6, 75*10, 100*100mm, etc I bar: 25*25*3, 30*5*3, 32*5*3, 40*5*3, etc US standard: 1''×3/16'', 1/4''×3/16'', 1/2''×3/16'', 1''×1/4'', 1/4''×1/4'', 1/2''×1/4‘’, 1''×1/8'', 1/4''×1/8'', 1/2''×1/8'', etc | ||||||
bearing bar pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm, etc US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2, etc | ||||||
cross bar pitch | 24 to 200mm | ||||||
cross bar size | 6*6, 8*8, 10*10, 12*12mm, etc | ||||||
surface treatment | hot dipped galvanized, painted, self-color, etc. | ||||||








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