T-Thread Self Drilling Hollow Bar

T – Threaded Hollow Bars

Thread Profile: All thread, commonly referred to as fully threaded, continuously threaded. The T Thread is according to international standard. It is an alternative to Titan IBO drilling bars for CTS system.

Steel Material: C45E/S460NH

Surface Treatment: Galvanized or Epoxy coating when necessary.

Others: Chamfered, stamped or color coded for grade identification when necessary.

products

Installation of Self Drilling Hollow Bar

Connect the anchor bar to the drill rig
Inserting anchor bar and spraying shotcrete, drilling and grouting could be done simultaneously
Applying plate and nut, anchoring the anchor bar

Applications:

Stabilization of excavations
Embankment stabilization
Stabilization and renovation of land slips
Road construction
Renovation of retaining walls, tunnels
Mining
Slope stabilization

T – THREAD IBO BARS

TECHNICAL DATA

T Threaded Hollow Bar	T30	T40L	T40N	T52	T73	T76L	T76N	T76S	T103
Average Inner Diameter	11.0 mm	20.0 mm	16.0 mm	26.0 mm	35.0 mm	58.0 mm	51.0 mm	44.0 mm	51.00 mm
Cross-Sectional Area	408 mm²	636 mm²	790 mm²	1250 mm²	2395 mm2	1610 mm²	1990 mm²	2400 mm²	5100 mm2
Yield Load	260 kN	430 kN	525 kN	730 kN	1435 kN	1000 kN	1200 kN	1500 kN	2660 kN
Ultimate Tensile Load	320 kN	540 kN	660 kN	930 kN	1865 kN	1200 kN	1600 kN	1900 kN	3460 kN
Yield Stress	635 MPa	676 MPa	665 MPa	580 MPa	600 MPa	620 MPa	600 MPa	620 MPa	520 MPa
Ultimate Stress	785 MPa	849 MPa	835 MPa	750 MPa	780 MPa	750 MPa	800 MPa	790 MPa	680 MPa
Weight	3.20 kg/m	5.00 kg/m	6.20 kg/m	9.90 kg/m	18.80 kg/m	12.60 kg/m	15.60 kg/m	18.80 kg/m	40.00 kg/m
Elongation Agt	> 5%	> 5%	> 5%	> 5%	> 5%	> 5%	> 5%	> 5%	> 5%