Grade 100 Master Link with Integrated Shortening Hooks, MLD type
No.505029
The Grade 100 Master Link with Integrated Shortening Hooks (MLD Type) is a specialized top rigging component engineered specifically for 2-leg chain sling assemblies.
Fully Integrated Design: Combines a solid master link with two built-in eye grab hooks, removing the need for separate connecting links and reducing overall sling weight.
Dual-Purpose Hooks: The integrated grab hooks function as both direct chain connectors and efficient shortening hooks for quick leg length adjustments.
Grade 100 Performance: Manufactured from premium alloy steel, delivering 25% higher lifting capacity compared to standard Grade 80 components.
Size & Capacity Range: Available for chain sizes from 6mm to 16mm, supporting Working Load Limits (WLL) ranging from 2 tons up to 14 tons.
Grade 100 Master Link with Integrated Shorteners - 2-Leg MLD Type
All-in-One Adjustable 2-Leg Sling Solution
Grade 100 Alloy SteelIntegrated Grab HooksAdjustable Leg LengthLow Headroom
*Integrated hooks simplify 2-leg sling assembly
Product Features
Dedicated 2-Leg Design: Specifically engineered to streamline the assembly of Adjustable 2-Leg Chain Slings. The integrated hooks allow for immediate length adjustment of both legs.
Integrated Efficiency: Combines the master link and two shortening hooks into a single forged component. Eliminates the need for separate connecting links and grab hooks, reducing assembly time and parts cost.
Headroom Saver: By integrating the components, the effective length of the top assembly is minimized, providing maximum lifting height in low-headroom environments.
Grade 100 Alloy: Constructed from high-strength Grade 100 steel, offering 25% higher capacity than comparable Grade 80 assemblies while being significantly lighter.
Secure Chain Grip: The integrated grab hooks are designed to fully support the chain link, ensuring safe load transfer without reducing the chain's Working Load Limit.
Standard: Complies with ASTM A952 and EN 1677 standards.
Building an Adjustable 2-Leg Sling
Method
Parts Count
Why Choose This?
Integrated (MLD) (This Product)
1 Component
Compact & Light. Hooks are built into the ring. Best for portability and low-headroom lifts.
Traditional Build (Standard Parts)
5 Components (1 Ring + 2 Connectors + 2 Hooks)
Modular maintenance. Allows individual part replacement, but is heavier and longer.
Technical Specifications
Item No.
Chain Size (mm)
WLL (ton)
Master Link Dimensions (mm)
Included Shortener
Weight (kg)
Product Code
A
B
D
10-MLD-06
6
2
120
70
14
10-EGC-06 X 2
1.04
505029006
10-MLD-08
8
3.55
140
80
17
10-EGC-08 X 2
2.12
505029008
10-MLD-10
10
5.6
160
95
22
10-EGC-10 X 2
4.15
505029010
10-MLD-13
13
9.5
190
110
25
10-EGC-13 X 2
7
505029013
10-MLD-16
16
14
230
130
32
10-EGC-16 X 2
13.48
505029016
Grade 100 Sling Components
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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