China OEM ODM Forged Steel Expansion Shells for Construction and Mining

    Expansion shells are used for fixing single-sided shuttering or similar structures in rock, concrete or comparable load-bearing ground.Bore Hole Diameter45-50mmBolt ThreadM20Length175mmWeight0.83kgMaximum Load290kN  FACTORY OVERVIEW/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1