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Full Thread Self

R-Thread Anchor Rod Technial Data R thread anchor bar or called rock rod, soil nail, which is a kind of threaded hollow
Basic Info.
Model NO. R25N/R32N/R32S/R32L
Certification ISO 9001:2000, ISO 9001:2008
Standard AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN
Surface Treatment Oiled/Galvanized
Manufacturing Process Hot Rolled
Material Carbon Steel
Terms of Payment 30%T/T Advance + 70% Balance
Trade Terms EXW Fob CFR CIF
Place of Origin China
Length Custom Length
Diameter Custom Diameter
Materials High Strength
Surface Antirust Coating or Zinc Plating
Way to Install According to Actual Engineering
Installation Method Pre-Stressed Anchor,Traction Bolt,Grouted Rock Bol
Marking and Numbering Custom
Transport Package Standard Seaworthy Packing
Specification 1/8''-24'' SCH40 SCH80 STD or customization
Trademark Shan Shui Special Steel
Origin Liaocheng Shandong
HS Code 7308
Production Capacity 300000tons/Year
Product Description


R-Thread Anchor Rod Technial Data


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 Data


T 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.

High Quality China Self Drilling Anchor Tool R25 R32 R38 T40 T52 T73 T76 T103 Hollow Rock Bolt Mine Rock

R25N R32N R32S R38N R51L R51N T76N T76S
Outside diameter(mm) 25 32 32 38 51 51 76 76
Internal diameter(mm) 14 19 16 19 36 33 52 45
Ultimate loadcapacity(KN) 200 280 360 500 550 800 1600 1900
Yield loadcapacity(KN) 150 230 280 400 450 630 1200 1500
Tensile strength,Rp0.2(N/mm2) 800 800 800 800 800 800 800 800
Yield strength,Rp0.2(N/mm2) 650 650 650 650 650 650 650 650
Weight (Kg/m) 2.3 3.2 3.6 5.5 6.5 8.0 16.0 19.7
Thread type(left-hand) ISO 10208 ISO 1720 MAI T76 Standard
Steel grade En10083-1 (Alloy structure steel)
Compared to carbon steel, alloy structure steel has high anti-corrosion capacity and high mechanical.

Bar Type Outside Diameter(mm) Inside Diameter(mm) Cross section(mm2) Ultimate LoadKN Yield PointKN Weight(kg/m) Thread Left/Right Hand
30/11 30 11 446 320 260 3.3 Lift or right
30/14 30 14 395 260 220 2.9 Lift or right
30/16 30 16 382 220 180 2.7 Lift or right
40/16 40 16 879 660 525 7.0 Lift or right
40/20 40 20 726 539 430 5.6 Lift or right
52/26 52 26 1337 929 730 10.0 Lift or right
73/53 73 53 1160 1630 970 12.3 Lift or right
73/56 73 56 1094 1414 785 11.1 Lift or right
73/45 73 45 2265 1630 1180 17.8 Lift or right