... oil), black paint, color paint, zinc, hdg; ect5. Spring Washer/Lock washer/one coil /two coil 1) Size: ... and samples. 5/83/47/815/161''4''-12' used AREMA, BS square spike, Twisted spike, ... ZW700.Pandrol series #7, #8, #9, #11, #12, #13 nylon insulators.All kinds are available according to customer ... 2) Raw material: PA66 3) Surface: plain14. Shoulder 1) Type: All kinds available according to customer’s ...