T Thread Bars – T76
R25 R32 R38 R51 T30 T40 T76


Self-drilling anchor (SDA) combines drilling, insertion and grouting into one easy operation. It reduces project lead time and installation difficulty. Mayland Metallic Materials Ltd. utilizes low carbon steel in all of its anchor production. Low carbon content in steel increases its ductility, reduces its brittleness, and resists corrosion cracking and carbon embrittlement. This choice of material significantly reduces occurrences where rockbolt may snap or buckle during onsite installation.

Anchor Body Drill Bit Hex Nut Arch Plate Coupler


Test Report Link Goes Here

Anchor Body

Rock Bolt Type Outer Diameter Inner Diameter Weight Cross Section Area Yield Load Ultimate Tensile Load
T76/45 76 mm 45 mm 19.70 kg/m 2400 mm2 1500 kN 1900 kN
T76/51 76 mm 51 mm 15.20 kg/m 1835 mm2 1200 kN 1400 kN

Hex Nut

Hex Nut Type Width Across Flats Length Thread Direction Weight
T76s 100 mm 80 mm L 2.60 kg/pc

Drill Bit

EW
EXX
ESSF
EW Clay
Drill Bit Size Drill Bit Type Condition Outer Diameter Weight Thread Direction
T76 EX – Steel Cross Bit Mixed Soils – Soft to Medium Conditions 130 mm 3.00 kg/pc Left
T76 EXX – Carbide Cross Bit Mixed Soils – Soft to Medium Conditions 130 mm 3.00 kg/pc Left
T76 ESSF – Tungsten Carbide Button Bit Medium Soil Condition 130 mm 6.30 kg/pc Left
T76 EW – Clay Bit Clay and Loose Soil 130 mm 2.60 kg/pc Left

Coupler

Coupler Type Outer Diameter Length Thread Direction Weight
T76 95 mm 200 mm Left 4.50 kg/pc

Arch Plate

Arch Plate Type Width Length Thickness Hole Diameter Weight
T76 250 mm 250 mm 40 mm 80 mm 18.00 kg/pc