Hollow Grouting Anchor Rod Grouted Hollow Anchor Bar

  Product Parameters  Product NameHollow bolts / Rock bolts / Hollow grouting anchor rod / grouted hollow anchor barStandardsGB1499.2-2007 GB 50086-2015 TB/T 3209-2008 GradesCarbon45#, sae1045, aisi1045Alloy 40Cr, JIS SCr440, ASTM 5140, ISO 41Cr4CertificateWe are SGS approved enterprise, we issue MTC and be responsible for the quality.Outside diameter25mm, 25.4mm, 28mm, 28.3mm, 30mm, 32mm, or as per requiredThread standardISOTolerance for OD+0mm/-0.2mmLength4-12m fixed length, or as per the required Surface treatmentBlack / oiled, or as per required.Heat treatmentAnnealedTestUltrasonic testPacking Wrapped by steel strips, wrapped by steel stripsApplicationSurrounding rock system shoring and supportingShipping termIn bulk / FCL / LCL, partial shipment allowedShipping portQingdao, or Tianjin portThird party inspectionAcceptableTrade termCIF, CFR, FOB, EXWDelivery timeWithin 7 days for stocks supply. Paying term30%TT + 70% TT against copy of documents, or 30%TT + 70% LC.Brand nameXinruyi Steel  Product Selling Point  Advantage & Function1. Immediately initial stage support for rock, control the surrounding rock being out of shape, guarantee the stability of surrounding rock2. Compared with solid rebar bolts, medium hollow design, makes the hollow bolts get the function of grouting pipe, it well avoids the waste and running off of mortar when grouting pipe pull out form the rock layer under traditional technology3. Mortar injecting well filled, what is more it can reaching goal of pressure mortar injection, finally the quality of project is improved4. Due to each accessories or parts effecting, the bolt neutral peculiarity is good. The mortar can fill every surface part of the hollow bolts, so the bolts get rid of being rusty, finally we get the goal of long term protection and supporting for rocks.  Installation Method  Using the jackdrill dig into the same depth of bolt length.Install the steel rising shell anchor head on the hollow bolt.Put hollow bolt into the ready hole. Install stopper mortar plug, base plate and nut on up side of hollow bolt.Reversal the bolt, and make anchor head' rising shell grasp well of hole.Fulfill the mortar.Details Displayrising shell anchor head bodyThe shellrising shell anchor head  Connection pipe Base plate Full setCertificatesPacking and TransportationFAQ1.What is your paying terms?  Our usual paying terms are 30%TT as deposit and balance paid after seeing copy of bill of loading. For clients cooperated for more than one year, we accept 20% prepay. Beside we do business also under D/P and LC terms.  2.How long is your delivery time?   For the goods we have in stocks, we deliver the goods within 5days. If it is a production order with volume not above 200tons, the delivery time will usually be within 20days after sealing contract. And the delivery time shall be slightly longer for order volume above 200tons.  3.Can you do partial shipment?  We will follow client request to do partial shipment or not. Partial shipment is not a problem for us.  4.What is your Minimum Order Quantity?  For goods in stocks we supply starting with one piece. Shall it is a production order, the MOQ is 3tons. Please be noted price based on MOQ will be slight higher than FCL condition due to higher unit cost.  5. Before cooperation we want a sample for inspecting of quality, is that okay?  We can provide a free sample for you shall sample value not above 30USD, you only need to pay the express charge. For a sample valued more than 30USD, the express charge and just one half of sample value is on the account of you, and we afford the other half.  6. What is the mode of transportation?   Ocean freight is the most important shipping way, and we choose the ship line based on soonest and earliest shipping time, rather than cheaper cost; or we follow clients' instruction if there is one. Also railways will be chosen by us when it is more convenient. For samples and papers, the transportation will be by air.  /* 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