Torro® Worm Gear Clamps with Integrated Springs add an automatic self-adjusting constant tension to the 9 or 12mm asymmetric worm drive clamp. Tightening the screw loads the spring with enough clamping force to ensure a long-lasting automatic re-tensioning effect, even in very low temperatures. The self-adjusting radial clamping force achieved makes these ideal for applications under extreme temperature changes (e. g. charged air) or for the retention of hoses with a tendency of "creeping" (hose relaxation). They are particularly suited to connecting cooling and heating hoses.
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Item #

Item Name

Range

Hex Screw Size

Band Width (Decimal)

15N0000070-431Q N/A Torro® 0.472 to 0.787 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.472 to 0.787 in12 to 20 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000070-304Q N/A Torro® 0.472 to 0.787 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.472 to 0.787 in12 to 20 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000053-431Q N/A Torro® 0.630 to 0.984 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.630 to 0.984 in16 to 25 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000053-304Q N/A Torro® 0.630 to 0.984 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.630 to 0.984 in16 to 25 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000054-431Q N/A Torro® 0.630 to 1.063 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.630 to 1.063 in16 to 27 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000054-304Q N/A Torro® 0.630 to 1.063 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.630 to 1.063 in16 to 27 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000055-431Q N/A Torro® 0.787 to 1.260 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.787 to 1.260 in20 to 32 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000055-304Q N/A Torro® 0.787 to 1.260 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.787 to 1.260 in20 to 32 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000056-431Q N/A Torro® 0.906 to 1.378 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.906 to 1.378 in23 to 35 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000056-304Q N/A Torro® 0.906 to 1.378 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.906 to 1.378 in23 to 35 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000057-431Q N/A Torro® 0.984 to 1.575 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.984 to 1.575 in25 to 40 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000057-304Q N/A Torro® 0.984 to 1.575 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 0.984 to 1.575 in25 to 40 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000058-431Q N/A Torro® 1.181 to 1.772 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.181 to 1.772 in30 to 45 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000058-304Q N/A Torro® 1.181 to 1.772 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.181 to 1.772 in30 to 45 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000059-304Q N/A Torro® 1.260 to 1.969 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.260 to 1.969 in32 to 50 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000059-431Q N/A Torro® 1.260 to 1.969 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.260 to 1.969 in32 to 50 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000060-431Q N/A Torro® 1.575 to 2.362 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.575 to 2.362 in40 to 60 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000060-304Q N/A Torro® 1.575 to 2.362 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.575 to 2.362 in40 to 60 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000061-431Q N/A Torro® 1.969 to 2.756 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.969 to 2.756 in50 to 70 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000061-304Q N/A Torro® 1.969 to 2.756 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.969 to 2.756 in50 to 70 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000062-304Q N/A Torro® 2.362 to 3.150 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 2.362 to 3.150 in60 to 80 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000062-431Q N/A Torro® 2.362 to 3.150 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 2.362 to 3.150 in60 to 80 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000063-304Q N/A Torro® 2.756 to 3.543 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 2.756 to 3.543 in70 to 90 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000063-431Q N/A Torro® 2.756 to 3.543 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 2.756 to 3.543 in70 to 90 mm N/A 0.279 in7 mm N/A 0.354 in9.00 mm
15N0000064-304Q N/A Torro® 1.181 to 1.772 Inch (in) Range Worm Gear Clamp with Constant Tension Integrated Spring Insert N/A 1.181 to 1.772 in30 to 45 mm N/A 0.279 in7 mm N/A 0.472 in12.00 mm
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