Tie Shou GB standard electric hoist lower hook blocks (bottom hook assemblies) are fully standardized replacement components manufactured strictly in compliance with China National Standard GB/T 10051 specifications. Specially engineered for classic CD1, MD1, and HC series electric wire rope hoists, these hook blocks offer reliable lifting capacities from 0.5 Ton up to 20 Tons, serving as robust and cost-effective solutions for industrial overhead cranes and gantry crane maintenance worldwide.

• GB/T 10051 High-Strength Drop-Forged Hook: Premium DG20 / DG20Mn carbon alloy steel drop-forged hook shank, heat-treated for superior tensile strength and impact resistance.
• Universal CD1 / MD1 Hoist Compatibility: Direct dimension matching for standard wire rope hoist pulleys, allowing easy field replacement without modification.
• 360° Smooth Load Rotation: Equipped with heavy-duty axial thrust ball bearings inside the hook crosshead, allowing effortless 360-degree swiveling under heavy loads.
• Heavy-Duty Sheaves & Safety Latch: Includes high-grade cast iron (HT200) or cast steel rope sheaves with smooth grooves and a spring-loaded safety latch to keep wire ropes secured.