OverviewNot all sailors know this: there are different grades of stainlesssteel and they offer different takes on the balance betweenstructural strength and corrosion resistance. Duplex is a class ofstainless steel, new to Harken’s pad-eye line-up. It offers increasedamounts of chromium in the alloy for enhanced corrosionresistance at very high relative strengths. All sailors should knowthis: Stainless does not mean maintenance free. Make sure toinspect structural stainless deck hardware regularly and clean andrestore the finish as needed.Specifications Specification Value A (in) 3 1/8 in A (mm) 80 mm B (in) 2 15/16 in B (mm) 48 mm Breaking load (kg) 9525 kg Breaking load (lb) 21000 lb C (in) 1 7/8 in C (mm) 48 mm D (in) 1 7/8 in D (mm) 48 mm E (in) 1 13/16 in E (mm) 47 mm F (in) 1 in F (mm) 25 mm G (in) 1 5/16 in G (mm) 34 mm Maximum working load (kg) 4763 kg Maximum working load (lb) 10500 lb Weight (g) 420 g Weight (oz) 14.8 oz FAQs What type of mounting hardware is specified for installation?Mounting holes are sized for M10 or 3/8" fasteners. Ensure to use appropriately sized hardware during installation. How should sharp edges be handled during installation?Remove all burrs and break sharp edges with a 0.010 max radius or chamfer before finishing. What is the material specification for the padeye?The padeye is made from DUPLEX A890 5A stainless steel, providing enhanced corrosion resistance at high strength. What surface finish roughness is specified?The specified surface finish is 63. What surface treatment ensures corrosion resistance?The electropolish finish enhances corrosion resistance, as done per ASTM B912-02. What is the minimum radius or chamfer for edge finishing?Break sharp edges with a maximum of 0.010 radius or chamfer for safety and durability. Is this duplex padeye subject to proprietary design protections?The construction and designs are proprietary to Harken, Inc. and may not be used without permission. Who do I contact for help with installation, servicing or advice?Contact the SailRACE team — as certified marine experts we're happy to help with product selection, installation and after-sales servicing, before and after your purchase. {"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What type of mounting hardware is specified for installation?", "acceptedAnswer": {"@type": "Answer", "text": "Mounting holes are sized for M10 or 3/8\" fasteners. Ensure to use appropriately sized hardware during installation."}}, {"@type": "Question", "name": "How should sharp edges be handled during installation?", "acceptedAnswer": {"@type": "Answer", "text": "Remove all burrs and break sharp edges with a 0.010 max radius or chamfer before finishing."}}, {"@type": "Question", "name": "What is the material specification for the padeye?", "acceptedAnswer": {"@type": "Answer", "text": "The padeye is made from DUPLEX A890 5A stainless steel, providing enhanced corrosion resistance at high strength."}}, {"@type": "Question", "name": "What surface finish roughness is specified?", "acceptedAnswer": {"@type": "Answer", "text": "The specified surface finish is 63."}}, {"@type": "Question", "name": "What surface treatment ensures corrosion resistance?", "acceptedAnswer": {"@type": "Answer", "text": "The electropolish finish enhances corrosion resistance, as done per ASTM B912-02."}}, {"@type": "Question", "name": "What is the minimum radius or chamfer for edge finishing?", "acceptedAnswer": {"@type": "Answer", "text": "Break sharp edges with a maximum of 0.010 radius or chamfer for safety and durability."}}, {"@type": "Question", "name": "Is this duplex padeye subject to proprietary design protections?", "acceptedAnswer": {"@type": "Answer", "text": "The construction and designs are proprietary to Harken, Inc. and may not be used without permission."}}, {"@type": "Question", "name": "Who do I contact for help with installation, servicing or advice?", "acceptedAnswer": {"@type": "Answer", "text": "Contact the SailRACE team — as certified marine experts we're happy to help with product selection, installation and after-sales servicing, before and after your purchase."}}]}
