Steel Grating Fence Professinal manufacturer ISO certificate High quality and good service Material:Q235,SS304,316 Steel Grating Fence1) Material: Carbon steel or stainless steel. 2) Bearing bar specification: 20 x 3mm to 90 x 7mm. 3) Bearing bar pitch: 12. 5mm, 25mm, 30mm, 33. 5mm, 37. 5mm, 40mm, 50mm & 60mm. 4) Cross bar specification: 5*5mm, 6*6mm, 8*8mm 5) Cross bar pitch: 25, 38, 50, 50. 8, ...