Grade 30 Proof Coil
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Gr-30, commonly called Proof Coil, is manufactured to meet ASTM & NACM specifications. Typical uses
include barrier chains, trailer safety chains, light construction, marine industry, etc. Gr-30 is available in a wide
assortment of finishes and packaged configurations. "Gr-30 is not to be used for overhead lifting".

Meets ASTM & NACM standards
• Available in a wide assortment of finishes including, Self Colored,
Burnished, Zinc Plated, Galvanized, Powder Coated
• Permanent identification on chain
• 100% proof tested
• Available in drums, pails, multiple style of assemblies

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