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                 → Products
                High strength pre-tension yieldable bolt IⅠR 〔Patent pending〕
                High strength pre-tension yieldable bolt Ⅱ R 〔Patent pending〕
                High strength pre-tension bolt Ⅰ 〔Patent pending〕
                High strength pre-tension bolt Ⅱ 〔Patent pending〕
                Common strength pre-tension bolt Ⅰ 〔Patent pending〕
                Common strength pre-tension bolt Ⅱ 〔Patent pending〕
                INSTal Bolt
                Cable Bolts
                Cable Bolts

                High pre-tension spiral bolt

                High pre-tension snake bolt
                Post Grouting Bolt
                MechLok
                Friction-Lok Stabilizer
                All Thread Bar Bolt
                YIELD-LOK Bolt
                E-RAY Bolt
                Plate
                 → Contact
                Address:Jennmar Industry Park, Tongji Road, Gaoxin District, Jining, Shandong, China
                Tel:0537-2480366, 2480336
                Fax:0537-2480338
                Contact:Li Li
                E-mail:liliyf2@163.com
                Post Grouting Bolt

                                 

                 

                 

                Technical Merits:

                Full length tension: Rebar with expansion shell can achieve full length tension before grouting.
                Quick and Easy Installation: Compared with other grouting bolt, this bolt can be easily installed and save installation time.
                Post Grouting speeding up the development : Grouting can be done anytime after bolt is installed. Grouting does not delay face development.
                Cost Saving: this bolt can combine the traditional two passes ground support ( FrictionLok and thread bar) into one. Not only saving the working time but also saving material and drillholes
                Material: Steel bar can be Re-bar or smooth bar. Steel material can be Grade 335, Grade 500, and Grade 600.



                 

                 

                 
                Specifications:
                Rocbolt Technologies China Ltd