• Constant-Torque® Marine Worm Gear Clamps
Constant-Torque® Marine Worm Gear Clamps use a patented Belleville spring mechanism to automatically adjust the clamp diameter in response to changes in environmental and operational temperatures. The 9/16" wide Aero Seal design is for smaller diameters and is torque rated for 30-70in./lbs. The 5/8" wide Heavy Duty design is for larger diameters and is torque rated 50-125 in./lbs. Both designs are marine quality stainless steel, and are listed here for your convenience.
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Item Name

Maximum Clamp Size

Minimum Clamp Size

Screw Material

N/A Constant-Torque® 27.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 1.063 in27 mm N/A 0.562 in14.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 32.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 1.250 in32 mm N/A 0.687 in17.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 38.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 1.500 in38.00 mm N/A 0.812 in21.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 44.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 1.750 in44.00 mm N/A 0.812 in21.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 51.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 2.000 in51.00 mm N/A 1.062 in27.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 57.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 2.25 in57.00 mm N/A 1.312 in33.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 64.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 2.500 in64.00 mm N/A 1.562 in40 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 70.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 2.750 in70 mm N/A 1.812 in46.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 76.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 3.000 in76.00 mm N/A 2.062 in52.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 83.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 3.250 in83.00 mm N/A 2.312 in59.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 89.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 3.500 in89.00 mm N/A 2.562 in65.00 mm N/A 316 Stainless Steel (SS)
N/A Constant-Torque® 95.00 Millimeter (mm) Maximum Size Marine Worm Gear Clamp N/A 3.750 in95.00 mm N/A 2.812 in71.00 mm N/A 316 Stainless Steel (SS)
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