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) 2 in A (mm) 52 mm B (in) 1 7/8 in B (mm) 48 mm Breaking load (kg) 4082 kg Breaking load (lb) 9000 lb C (in) 1 3/16 in C (mm) 30 mm D (in) 1 3/16 in D (mm) 30 mm E (in) 1 3/16 in E (mm) 30 mm F (in) 5/8 in F (mm) 16 mm G (in) 7/8 in G (mm) 22 mm Maximum working load (kg) 2041 kg Maximum working load (lb) 4500 lb Weight (g) 107 g Weight (oz) 3.8 oz FAQs How should sharp edges be treated during installation or finishing?All burrs should be removed and sharp edges broken with a 0.010 max radius or chamfer. What is the drawing scale for this padeye?The drawing is provided at a 1:1 scale, which may assist for reference during installation. What material standard is used for this Duplex padeye?It is made from Duplex A890 5A stainless steel. What grade of stainless steel is used in this padeye?The padeye uses Duplex A890 5A stainless steel, which offers structural strength and corrosion resistance. What surface finish tolerance is specified?The specified surface finish is 63 microinches. What is the item’s drawing or part number?The drawing and part number for this item is 3410. What is the general surface finish specified?The surface finish of the product is specified to be 63 microinches. Who is the manufacturer of this padeye?The manufacturer is Harken, Inc., Pewaukee, Wisconsin. Who designed and approved the product drawing?Design and approvals are by GH, CJL, and MGK as per the drawing record. Is this product covered by intellectual property protections?The designs are the property of Harken, Inc. and are submitted in confidence without permission for further use. 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": "How should sharp edges be treated during installation or finishing?", "acceptedAnswer": {"@type": "Answer", "text": "All burrs should be removed and sharp edges broken with a 0.010 max radius or chamfer."}}, {"@type": "Question", "name": "What is the drawing scale for this padeye?", "acceptedAnswer": {"@type": "Answer", "text": "The drawing is provided at a 1:1 scale, which may assist for reference during installation."}}, {"@type": "Question", "name": "What material standard is used for this Duplex padeye?", "acceptedAnswer": {"@type": "Answer", "text": "It is made from Duplex A890 5A stainless steel."}}, {"@type": "Question", "name": "What grade of stainless steel is used in this padeye?", "acceptedAnswer": {"@type": "Answer", "text": "The padeye uses Duplex A890 5A stainless steel, which offers structural strength and corrosion resistance."}}, {"@type": "Question", "name": "What surface finish tolerance is specified?", "acceptedAnswer": {"@type": "Answer", "text": "The specified surface finish is 63 microinches."}}, {"@type": "Question", "name": "What is the item’s drawing or part number?", "acceptedAnswer": {"@type": "Answer", "text": "The drawing and part number for this item is 3410."}}, {"@type": "Question", "name": "What is the general surface finish specified?", "acceptedAnswer": {"@type": "Answer", "text": "The surface finish of the product is specified to be 63 microinches."}}, {"@type": "Question", "name": "Who is the manufacturer of this padeye?", "acceptedAnswer": {"@type": "Answer", "text": "The manufacturer is Harken, Inc., Pewaukee, Wisconsin."}}, {"@type": "Question", "name": "Who designed and approved the product drawing?", "acceptedAnswer": {"@type": "Answer", "text": "Design and approvals are by GH, CJL, and MGK as per the drawing record."}}, {"@type": "Question", "name": "Is this product covered by intellectual property protections?", "acceptedAnswer": {"@type": "Answer", "text": "The designs are the property of Harken, Inc. and are submitted in confidence without permission for further use."}}, {"@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."}}]}