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Best Selling Structure Anchor Bar R25 R32 R38 R51 for Tunnel and Mining Industry Mine Bolt Hollow Grouting Bolt Tunnel Mining Self-Drilling Bolt¹

Mining Machinery, Anchor Bar, Hollow Anchor Bolt

Shandong Shanshui Special Steel Co., Ltd.

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Product Description High Quality China Self Drilling Anchor Tool R25 R32 R38 T40 T52 T73 T76 T103 Hollow Rock Bolt Mine RockR-Thread Anchor Rod Technial Data R25NR32NR32SR38NR51LR51NT76NT76SOutside diameter(mm)2532323851517676Internal diameter(mm)1419161936335245Ultimate loadcapacity(KN)20028036050055080016001900Yield loadcapacity(KN)15023028040045063012001500Tensile strength,Rp0.2(N/mm2)800800800800800800800800Yield strength,Rp0.2(N/mm2)650650650650650650650650Weight (Kg/m)2.33.23.65.56.58.016.019.7Thread type(left-hand)ISO 10208ISO 1720MAI T76 StandardSteel gradeEn10083-1 (Alloy structure steel)Compared to carbon steel, alloy structure steel has high anti-corrosion capacity and high mechanical.R thread anchor bar or called rock rod, soil nail, which is a kind of threaded hollow bar, bar surface with an rope thread according to ISO 10208 & 1720. It was firstly invented by MAI on 1960S to solve the low construction speed on complicated underground works, nowadays; it is very popular all around the world.Thread size: R25, R32, R38, R51, T76.Thread standard: ISO10208, ISO1720 etc.T-Thread Anchor Rod Technial DataBar TypeOutside Diameter(mm)Inside Diameter(mm)Cross section(mm2)Ultimate LoadKNYield PointKNWeight(kg/m)Thread Left/Right Hand30/1130114463202603.3Lift or right30/1430143952602202.9Lift or right30/1630163822201802.7Lift or right40/1640168796605257.0Lift or right40/2040207265394305.6Lift or right52/265226133792973010.0Lift or right73/5373531160163097012.3Lift or right73/5673561094141478511.1Lift or right73/45734522651630118017.8Lift or rightT thread anchor bar surface with a trapezoidal thread, this design of connection is much stronger and reliable when compared with rope thread, we supply full sizes from T30 to T103.Thread size: T30, T40, T52, T73, T103, T127, T130.Thread standard: ISO10208, ISO1720 etc.

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Mining Machinery: Best Selling Structure Anchor Bar R25 R32 R38 R51 for Tunnel and Mining Industry Mine Bolt Hollow Grouting Bolt Tunnel Mining Self-Drilling Bolt

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