Лестница протектора JT9

Stair tread is fabricated by grating, nosing plate and side plate. This kind of stair tread is designed for our England customer which is similar as JT8, just adding two pipes on two sides. Main type: 1. Checkered plate nosing, Bolted fixing anti-slip 2. Checkered plate nosing, Welded fixinganti-slip 3. Without nosing, Bolted fixing 4. Without nosing, Welded fixing Ningbo Jiulong Machinery Manufacturing Co.,Ltd is the second largest steel grating manufacturer in China. We have 7 running lines with yearly capacity of 50,000tons. Jiulong grating and related steel products have exported to more than 30 countries. Choose Jiulong grating is your right decision! Standard description: NoItemDescription1Bearing bar25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm2Bear bar pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.3Cross bar pitch38,50,76,100,101.6mm4MaterialQ235,A36,SS3045Surface treatmentBlack, hot dipped galvanising, paint6StandardChina: YB/T 4001.1-2007USA: ANSI/NAAMM(MBG531-88)UK: BS4592-1987Australia: AS1657-1985