T76 Anchor Coupler (Heavy-Duty Threaded Coupler) Self Drilling Anchor (SDA)
HEAVY-DUTY T76 THREADED COUPLER

T76 Anchor Coupler (Heavy-Duty Threaded Coupler)

Extra-heavy-duty internally threaded coupler manufactured for T76 hollow anchor bars (T76N and T76S). Capable of transmitting extreme ultimate tensile loads up to 1900 kN and heavy rotary percussion from large drill rigs. Precision machined from premium structural alloy steel with internal center-stop.

Giant Load Transmission
Handles up to 1900 kN (190 tons) ultimate tensile capacity
Heavy Percussive Integrity
Resists intense shock waves from massive hydraulic crawler drifters
Symmetrical Lock
Center shoulder ensures exact bar positioning during deep coupling
Deep Anchor Reach
Allows coupling to 30m+ borehole depths in heavy foundation micropiles
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ENGINEERING METRICS

TECHNICAL DATA & SPECIFICATIONS

Certified engineering tolerances, metallurgical grades, and load metrics for heavy geotechnical installations.

T76 Anchor Coupler (Heavy-Duty Threaded Coupler) — Technical Data Sheet

Quality Assurance Standard: ISO 10208 / EN 14199

# Technical Metric Certified Specification
01
Thread Standard
T76 Rope Thread (ISO 10208)
02
Outer Diameter
95.0 mm
03
Length
200 mm (T76N) / 220 mm (T76S)
04
Unit Weight
6.80 kg (T76N) / 7.40 kg (T76S)
05
Ultimate Tensile Load (Ft)
1600 kN (T76N) / 1900 kN (T76S)
06
Hardness
Lab Certified HRC 25–30
07
Material Grade
High-Grade Quenched & Tempered Structural Alloy Steel (EN 10083-1)
08
Center Stop
Machined central shoulder for symmetrical bar engagement
09
Coating Options
Hot-Dipped Galvanization (ISO 1461) / Bare Steel
100% Ultrasonic flaw tested and batch certified under ISO 9001:2015 QA procedures.
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Verified Technical Reference

T76 Heavy Underpinning & High Overburden Standard

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Documented for T76N and T76S anchor bars. With an outside diameter of 95mm and ultimate tensile capacity up to 1900 kN, the T76 coupler is the industry benchmark for heavy foundation underpinning and high overburden tunneling.
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