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Grade 100 Sub-Assembly
Grade 100 Sub-Assembly

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Quick Overview:
- Manufactured from Grade 10 alloy steel
- Available for chain sizes (mm): 6/7&8/10/13/16
- Proof tested to 2.5 times WLL
- Magnaflux crack detected
- Fatigue rated to 20,000 cycles
- Designed for use with 3- and 4-leg chain slings
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William Hackett's MasterLink Sub-Assemblies are manufactured from high-strength Grade 10 alloy steel in accordance with EN1677-4, utilizing only components that meet all aspects of the required specification.
Individually proof tested to 2.5 times the stated WLL, these sub-assemblies are designed specifically for use with 3- and 4-leg EN818-4 certified chain slings, and come available for chain diameters from 6mm - 16mm.
With a fatigue rating of 20,000 cycles, each unit has been Magnaflux crack detected and can operate effectively in temperatures from -40°C up to +200°C without any reduction in working load limit. Note: WLL reductions apply above +200°C
Frequently Asked Questions
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We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
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We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
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We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
Do I get a certificate with my item?
We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
Can you price match or beat an existing quote?
We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.