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Marine Grade Hose Clamps
Marine Grade Hose Clamps

Marine Grade Hose Clamps

Winlong’s Marine Grade Worm Drive Hose Clamps are the ultimate fastening solution for harsh, high-salinity environments. Engineered from premium 316 Stainless Steel, these clamps offer maximum resistance to pitting and crevice corrosion. Whether for below-waterline fittings or engine room piping, our marine-grade clamps ensure a safe, permanent, and leak-proof seal where standard clamps would fail.
Band 1/2" band width 316 high nickle grade stainless steel
Screw 5/16" hex head screw 304 stainless steel
Housing 316 high nickle grade stainless steel
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SAE Part# Clamping Range Fits Hose
Inch mm Inch mm 
06 MR12-06 3/8 7/8 9.5 22 5/16 3/8 7.9 9.5
08 MR12-08 7/16 1 11 25 5/16 1/2 7.9 12.7
10 MR12-10 1/2 1-1/16 12.7 26.9 3/8 5/8 9.5 15.8
12 MR12-12 1/2 1-1/4 12.7 31.7 3/8 3/4 9.5 19
16 MR12-16 3/4 1-1/2 19 38 3/4 7/8 19 22
20 MR12-20 3/4 1-3/4 19 44.4 3/4 1-1/8 19 20.5
24 MR12-24 1 2 25.4 50.8 7/8 1-3/8 22 34.9
28 MR12-28 1-1/4 2-1/4 31.7 57 1-1/4 1-5/8 31.7 41
32 MR12-32 1-1/2 2-1/2 38 63.5 1-1/2 1-7/8 38 47.6
36 MR12-36 1-3/4 2-3/4 44.4 69.8 1-3/4 2 44 50.8
  • Full 316 Stainless Steel Construction: Every component—band, housing, and screw—is made from high-nickel 316 grade steel for ultimate saltwater protection.

  • Superior Corrosion Resistance: Specifically tested to withstand prolonged exposure to sea spray, salt crusting, and harsh chemicals.

  • High Tightening Torque: The rugged 5/16″ hex head screw ensures a high-clamping force that remains stable even under constant vibration.

  • Smooth Inner Band: Precision-stamped band with smooth edges protects marine hoses from abrasion and extrusion during installation.

  • Marine & Offshore: Crucial for sailboats, yachts, and commercial vessels in fuel lines, bilge pumps, and deck drains.

  • Coastal Infrastructure: Ideal for outdoor piping and equipment near coastlines where salt air causes rapid oxidation.

  • Automotive (Premium): Used in high-end vehicle cooling systems for enthusiasts who demand the highest rust protection.

  • Agricultural Chemical Spraying: Resistant to corrosive fertilizers and pesticides used in modern farming irrigation.

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Why Partner With Us?

At Winlong, we believe in precision engineering that supports your project's integrity. Our mission is to provide high-performance metal components that are durable, reliable, and compliant.

  • 100% Independent Automation & Stability
  • Expert Engineering & "Lean Manufacturing"
  • Comprehensive Material & Size Range
  • Global Distribution & Sales Support