These 1/2" Power-Seal® Worm Gear Clamps are made of high quality stainless steel. The interlocking "square knot" design will not pull apart. This design enables higher sealing pressure even at lower applied torque ranges, such as installing with a screwdriver. Power-Seal Clamps are general purpose and suited for heater and coolant hoses, as well as air intake & bilge pump lines in corrosive and non-corrosive environments. They are available in a variety of stainless steel grades and finishes with 5/16 slotted hex head screw.
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Power-Seal® Worm Gear Clamps

Power-Seal® 1.062 Inch (in) Minimum Size Worm Gear Clamp
Power-Seal® Worm Gear Clamps

Power-Seal® 1.062 Inch (in) Minimum Size Worm Gear Clamp
Power-Seal® Worm Gear Clamps

Power-Seal® 1.312 Inch (in) Minimum Size Worm Gear Clamp
Power-Seal® Worm Gear Clamps

Power-Seal® 1.312 Inch (in) Minimum Size Worm Gear Clamp
Power-Seal® Worm Gear Clamps

Power-Seal® 1.562 Inch (in) Minimum Size Worm Gear Clamp
Description N/A These 1/2" Power-Seal® Worm Gear Clamps are made of high quality stainless steel. The interlocking "square knot" design will not pull apart. This design enables higher sealing pressure even at lower applied torque ranges, such as installing with a screwdriver. Power-Seal Clamps are general purpose and suited for heater and coolant hoses, as well as air intake & bilge pump lines in corrosive and non-corrosive environments. They are available in a variety of stainless steel grades and finishes with 5/16 slotted hex head screw.
Screw Material N/A 316 Stainless Steel (SS) N/A 305 Stainless Steel (SS) N/A 316 Stainless Steel (SS) N/A 305 Stainless Steel (SS) N/A 316 Stainless Steel (SS)
Band and Housing Material N/A 316 Stainless Steel (SS) N/A 301Stainless Steel (SS) 304 Stainless Steel (SS) N/A 316 Stainless Steel (SS) N/A 301Stainless Steel (SS) 304 Stainless Steel (SS) N/A 316 Stainless Steel (SS)
Minimum Clamp Size N/A 1.062 in27.00 mm N/A 1.062 in27.00 mm N/A 1.312 in33.00 mm N/A 1.312 in33.00 mm N/A 1.562 in40 mm
Maximum Clamp Size N/A 2.000 in51.00 mm N/A 2.000 in51.00 mm N/A 2.25 in57.00 mm N/A 2.25 in57.00 mm N/A 2.500 in64.00 mm
Band Width (Decimal) N/A 0.500 in
Features and Benefits N/A
  • General Purpose
  • 5/16 Slotted Hex Head Screw
  • "Square Knot" construction won't pull apart
  • No Spot Welds to rust, corrode or rupture
  • Smooth Underside for effective seal
  • Band Width-to-Torque sealing pressure properties provide higher sealing pressure with lower applied torque
  • Exceeds SAE Requirements
  • Marine & Industrial Use (316 SS required for corrosive environments)
Note N/A To select the best stainless steel grade for your application, please contact an EFC International Representative.
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