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  • Grade 100 Master Link Assembly with Integrated Shortening Hooks, MAQ type
  • Grade 100 Master Link Assembly with Integrated Shortening Hooks, MAQ type
  • Grade 100 Master Link Assembly with Integrated Shortening Hooks, MAQ type
  • Grade 100 Master Link Assembly with Integrated Shortening Hooks, MAQ type

Grade 100 Master Link Assembly with Integrated Shortening Hooks, MAQ type

No.505030

The Grade 100 Master Link Assembly with Integrated Shortening Hooks (MAQ Type) is an all-in-one top rigging component designed specifically for 3-leg and 4-leg chain slings.

  • Integrated Design: Combines a master link assembly with four built-in grab hooks, eliminating the need for additional connecting links or hardware.
  • Built-In Shortening: The attached grab hooks function as both direct chain connectors and shortening hooks for quick, safe leg length adjustments.
  • Multi-Leg Capability: Purpose-built to serve as the upper terminal for 3-leg or 4-leg slings, accommodating chain sizes from 6mm to 16mm.
  • Grade 100 Strength: Forged from premium alloy steel to deliver 25% higher lifting capacity than Grade 80, supporting Working Load Limits up to 21.2 tons.
  • Technical Data

  • G-100 Alloy Fittings

Grade 100 Master Link Assembly with Integrated Shorteners - MAQ Type

All-in-One Adjustable Sling Solution
Grade 100 Alloy Steel Integrated Grab Hooks Adjustable Leg Length Low Headroom
Grade 100 Master Link Assembly with Integrated Shortening Hooks

*Integrated hooks simplify 4-leg sling assembly

Product Features

  • All-in-One Design: Features built-in shortening hooks (grab hooks) integrated directly into the master link assembly. This eliminates the need for separate connecting links and shortening clutches, significantly reducing part count.
  • Adjustable Sling Solution: The ultimate component for constructing Adjustable 3-Leg and 4-Leg Chain Slings. Allows the operator to quickly adjust the length of each leg to balance irregular loads.
  • Maximized Headroom: By removing intermediate connecting links, the overall length of the top assembly is shortened. This is ideal for lifting operations with limited headroom.
  • Grade 100 Strength: Manufactured from G100 alloy steel, providing 25% more lifting capacity than G80 equivalents. This reduces the total weight of the rigging gear, reducing operator fatigue.
  • Cost & Time Efficient: Speeds up the sling assembly process and reduces inventory complexity (one part instead of many).
  • Safety: The integrated grab hooks cradle the chain securely, ensuring full load transfer without link deformation.
Building an Adjustable 4-Leg Sling: The Comparison
Method Parts Required Advantages
Integrated (MAQ)
(This Product)
1 Component
(MAQ Assembly Only)
Efficient.
Hooks are built-in. Lighter, shorter vertical length, and faster to assemble.
Traditional Build
(Separate Parts)
9+ Components
(1 Master Link + 4 Connectors + 4 Grab Hooks)
Modular.
Allows replacing individual parts, but heavy, bulky, and time-consuming to assemble.

Technical Specifications

Item No. Chain Size
(mm)
WLL
(ton)
Included Parts Weight
(kg)
Product Code
Master Link Shortener Sub-Assembly
10-MAQ-06 6 3.0 10-MLY-06 10-EGC-06 X 4 2.5 505030006
10-MAQ-08 8 5.3 10-MLY-08 10-EGC-08 X 4 5.09 505030008
10-MAQ-10 10 8.4 10-MLY-10 10-EGC-10 X 4 9.02 505030010
10-MAQ-13 13 14 10-MLY-13 10-EGC-13 X 4 15.94 505030013
10-MAQ-16 16 21.2 10-MLY-16 10-EGC-16 X 4 28.1 505030016

Grade 100 Sling Components are high-strength alloy steel lifting accessories designed for heavy-duty lifting applications. Compared with Grade 80, Grade 100 offers higher working load limits (WLL) at the same size, or the same WLL with a smaller, lighter component.

What Does "Grade 100" Mean?

  • High-Strength Alloy: Heat-treated, quenched, and tempered steel.
  • Increased Capacity: Typically 25% higher WLL than Grade 80.
  • Safety Factor: Minimum breaking force ≈ 4 × WLL.
  • Standards: EN 818-4 / EN 818-6, ASTM equivalents.

Common Sling Components

1. Master Links

Used to connect the sling to the crane hook.

  • Master Link (ML)
  • Master Link Assembly (2-leg, 3-leg, 4-leg)
  • Pear-shaped master links
2. Hooks

End fittings for attaching loads.

  • Clevis Self-Locking Hook (Common)
  • Eye Self-Locking Hook
  • Sling Hook with Latch
  • Foundry Hook
  • Shortening Hook (Eye/Clevis)
3. Connecting Links

Used to join chain or components.

  • Clevis Connector
  • Hammerlock / Coupling Link
  • Repair Link (Special use only)
4. Special Components

For complex rigging scenarios.

  • Swivels (Bearing/Non-bearing)
  • Chain Adjusters
  • Lifting Rings (Rotating)
  • Grab Hooks

Grade 80 vs Grade 100 (Quick Comparison)

Item Grade 80 Grade 100
Relative Strength Base +25% Higher
Sling Weight Heavier Lighter
Typical Marking G80 / 8 G100 / 10
Cost Lower Higher

Identification & Markings

Every Grade 100 component must be clearly marked with:

  • Grade: G100 or 10
  • Manufacturer's Mark
  • Size or WLL
  • Traceability Code (Batch / Heat Number)
⚠️ Safety & Compatibility Warning
  • NEVER mix Grade 100 with Grade 80 components in the same sling assembly.
  • ✅ Use only Grade 100 chain + Grade 100 fittings together.
  • Regularly inspect for wear (>10%), cracks, deformation, heat damage, or corrosion.

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