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Part No.: 92010759Application: Robbins 73-series Raise Borer
Heavy-duty forged lifting ring, used as standard lifting hardware for component hoisting, installation, transportation and maintenance of Robbins 73-series raise borers.
· Model: Robbins 73R, 73RH C, 73RVF Raise Borer
· Brand: Robbins (Epiroc Group)
· Rated Working Load (WLL): 15000 kg (15 tonnes)
· Minimum Safety Factor: 5:1
· Material: High-strength alloy steel, forged & heat treated
· Thread Specification: M48 × 5
· Movement: 360° swivel, 180° pivot
· Surface Finish: Black oxide anti-corrosion coating
· Inspection: 100% magnetic particle testing; proof load tested to 2.5 times WLL
· Operating Temperature: -20℃ ~ +150℃
1. Serves as heavy-load lifting points for large equipment assemblies.
2. Free rotation prevents side load and sling twisting during lifting.
3. Conforms to safety standards for mining machinery rigging work.
· Genuine OEM part, fully interchangeable with original parts of Robbins 73-series.
· For equipment lifting only, strictly forbidden for hoisting personnel.
· Recommended installation torque: 780–830 N·m (dry threads)