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Self-Drilling Anchor system

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The self drilling anchoring system is composed of a hollow threaded anchor rod and matched with corresponding drill bits, which can complete drilling, anchoring, and grouting work in one go. The self drilling anchor system is mainly used in slope stability, excavation pre support, micro pile foundation and other engineering projects, and is widely used in mines, tunnels, railways, subways and other engineering projects.

Coupler: The couplers can be used to join hollow bars and extend the bolt length, it means the anchor can be
                     elongated with the couplers
Plate and Nut: The plate and nut are installed according to their design requirement
Drill Bit: The drill bit would be selected at the choice of ground condition
Type Outer Dia. Inner Dia. Ultimate Load Capacity Yield Load Capacity Tensile Strength Yield Strength
R25N 25mm 14 mm 200 KN 150 KN 690 N/mm2 520 N/mm2
R32N 32 mm 18.5 mm 280 KN 230 KN 650 N/mm2 530 N/mm2
R32S 32 mm 15 mm 360 KN 280 KN 690 N/mm2 540 N/mm2
R32L 32 mm 22 mm 220 KN 180 KN 650 N/mm2 530 N/mm2
R38N 38 mm 19 mm 500 KN 400 KN 650 N/mm2 520 N/mm2
R51L 51 mm 36 mm 550 KN 450 KN 620 N/mm2 510 N/mm2
R51N 51 mm 33 mm 800 KN 630 KN 750 N/mm2 590 N/mm2
T76N 76 mm 51 mm 1600 KN 1200 KN 840 N/mm2 630 N/mm2
T76S 76mm 45 mm 1900 KN 1500 KN 760 N/mm2 600 N/mm2
T30/11 30 mm 11 mm 260 KN 260 KN 320 N/mm2 560 N/mm2
T40/16 40 mm 16 mm 425 KN 525 KN 540 N/mm2 560 N/mm2
Plate 120mmX120mmX6mm 150mmX150mmX8mm 200mmX200mmX10mm
Nut SW41 X H35 SW46 X H45 SW65 X H55
Coupler D35 X L150    D41 X L160 D55 X L170 D46 X L120
Drill Bit Select According To Type Of Drilling /Formation ,Steel,Alloy Etc.

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