NORMACLAMP® TORRO®

NORMACLAMP® TORRO®
Worm-Gear Hose Clamps
to DIN 3017

NORMACLAMP® TORRO® is the most widely produced and accepted embossed band worm-gear clamp available in the world. The TORRO has set the standard for modern hose clamp design and is specially suited for applications under high mechanical load.

Features 9mm (3/8") band

Available with 12mm (1/2") band on special order

Per SAE standard J1508 Type "FEO"

Applications

  • Coolant lines
  • Fuel lines and vent lines
  • Oil lines
  • Water treatment and sewage
  • Connections in engine design
  • Connections in the appliance industry
  • Hose connections in automotive and commercial vehicles

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NORMACLAMP TORRO - 430 SS Sizes and Part Numbers
SAE Size Clamping Range Part Number Recommended Tightening Torque Inch Lbs.
Inches mm
1 5/16 - 1/2 8-12 1266702010 20
2 5/16 - 5/8 8-16 1266702013 "
4 1/2 - 3/4 12-20 1266702016 20 - 25
8 5/8 - 1 1/16 16-27 1266702021 "
12 3/4 - 1 1/4 20-32 1266702026 "
18 1 - 1 5/8 25-40 1266702032 "
24 1 1/4 - 2 32-50 1266702041 "
30 1 5/8 - 2 3/8 40-60 1266702050 20 - 30
36 2 - 2 3/4 50-70 1266702060 "
42 2 3/8 - 3 1/8 60-80 1266702070 "
48 2 3/4 - 3 1/2 70-90 1266702080 "
56 3 1/8 - 4 80-100 1266702090 "
62 3 1/2 - 4 3/8 90-110 1266702100 "
68 4 - 4 3/4 100-120 1266702110 "
74 4 3/8 - 5 1/8 110-130 1266702120 "
80 4 3/4 - 5 1/2 120-140 1266702130 "
86 5 1/8 - 5 7/8 130-150 1266702140 "
92 5 1/2 - 6 1/4 140-160 1266702150 "

12 mm (1/2") bandwidth available as special order

NORMACLAMP TORRO - 304 SS Sizes and Part Numbers
SAE Size Clamping Range Part Number Recommended Tightening Torque Inch Lbs.
Inches mm
1 - - Use SAE 2 -
2 5/16 - 5/8 8-16 1266704013 20
4 1/2 - 3/4 12-20 1266704016 20 - 25
8 5/8 - 1 1/16 16-27 1266704021 "
12 3/4 - 1 1/4 20-32 1266704026 "
18 1 - 1 5/8 25-40 1266704032 "
24 1 1/4 - 2 32-50 1266704041 "
30 1 5/8 - 2 3/8 40-60 1266704050 20 - 30
36 2 - 2 3/4 50-70 1266704060 "
42 2 3/8 - 3 1/8 60-80 1266704070 "
48 2 3/4 - 3 1/2 70-90 1266704080 "
56 3 1/8 - 4 80-100 1266704090 "
62 3 1/2 - 4 3/8 90-110 1266704100 "
68 4 - 4 3/4 100-120 1266704110 "
74 4 3/8 - 5 1/8 110-130 1266704120 "
80 4 3/4 - 5 1/2 120-140 1266704130 "
86 5 1/8 - 5 7/8 130-150 1266704140 "
92 5 1/2 - 6 1/4 140-160 1266704150 "

12 mm (1/2") bandwidth available as special order