... 3)TPR/PU material 4)universal,fixed,brake Industrial threaded stem caster1)wheelHardness:70ADiameter: 75mm,100mm,125mmForkMaterial: High quality ... LacquerLoad bearing: Double ball racewayThickness:T=2.5/3/3.5mmCasterType: swivel, fixed, swivel with brakeMounting: Top plate,threaded stem, grip ... Chemical resistancePoor toughnessPoor floor protection and tenacity. Industrial threaded stem caster