IFE-AS2

Worm Drive Clamps 2-Piece Housing, American Style

Worm drive hose clamps from IFE provide strong clamping force and are easy to install. They are widely used in a variety of applications, including heavy machinery, recreational vehicles (ATVs, boats, snowmobiles), and lawn and garden equipment.

  • 3 band widths available: 9/16”, 1/2” (both in stock), 5/8”
  • 301 stainless steel throughout for corrosion resistance (other materials available)
  • 2-piece housing for extra strength
  • 5/16” hex head screw
  • Exceeds SAE requirements
  • IAPMO certification pending
American-Style Hose Clamps
9/16” (14.2mm) Band Width
Size
inches
mm
7/16-13/16
11-20
1/2-7/8
13-23
9/16- 1 1/16
14-27
11/16-1 1/4
17-32
13/16- 1 1/2
21-38
13/16- 1 3/4
21-44
1 1/16- 2
27-51
1 5/16 -2 1/4
33-57
1 9/16- 2 1/2
40-64
1 13/16 - 2 3/4
46-70
2 1/16- 3
52-76
2 5/16 - 3 1/4
59-83
2 9/16- 3 1/2
65-89
2 13/16 - 3 3/4
71-95
3 1/16 - 4
78-102
3 5/16 - 4 1/4
84-108
3 9/16 - 4 1/2
90-114
4 1/8 - 5
103-127
4 5/8 - 5 1/2
117-140
5 1/8 - 6
130-152
5 5/8 - 6 1/2
141-165
6 1/8 - 7
157-178
6 1/4 - 7 1/16
160-180
6 11/16 - 7 7/16
170-190
7 1/16- 7 7/8
180-200
7 7/16- 8 1/4
190-210
7 7/8 - 8 5/8
200-220
8 1/4-9 1/16
210-230
8 5/8-9 7/16
220-240
9 1/16-9 7/8
230-250
9 7/16-10 1/4
240-260
9 7/8- 10 5/8
250-270
10 1/4-11
260-280
10 5/8-11 3/8
270-290
11 -11 7/8
280-300
11 3/8 - 12 3/16
290-310
All screws have 5/16” (8mm) hex head
1/2” (12.5mm) Band Width
Size
inches
mm
7/16-13/16
11-20
1/2-7/8
13-23
9/16- 1 1/16
14-27
11/16-1 1/4
17-32
13/16- 1 1/2
21-38
13/16- 1 3/4
21-44
1 1/16- 2
27-51
1 5/16 -2 1/4
33-57
1 9/16- 2 1/2
40-64
1 13/16 - 2 3/4
46-70
2 1/16- 3
52-76
2 5/16 - 3 1/4
59-83
2 9/16- 3 1/2
65-89
2 13/16 - 3 3/4
71-95
All screws have 5/16” (8mm) hex head
5/8″ (15.8mm) Band Width
Size
inches
mm
1-1 3/4
25-45
1 1/16-2
27-51
1 1/4-2 1/8
32-54
1 3/4-2 5/8
45-67
2 1/4-3 1/8
57-79
2 3/4-3 5/8
70-92
3 1/4-4 1/8
83-105
3 3/4-4 5/8
96-118
4 1/4-5 1/8
108-130
4 3/4-5 5/8
121-143
5 1/4-6 1/8
134-156
5 3/4-6 5/8
146-168
6 1/4-7 1/8
159-181
6 3/4-7 5/8
172-194
7 1/4-8 1/8
184-206
7 3/4-8 5/8
197-219
8 1/4-9 1/8
210-232
All screws have 5/16” (8mm) hex head

Due to our program of continuous improvement, specifications may be subject to change.

Worm Drive Clamps Comparison

American-style

American-style
  • High clamping force
  • Much stronger than traditional one piece housing slotted clamps
  • Easy to install
  • Available in 3 bandwidths 1/2″ (12.5 mm stock product), 9/16″ (14.2mm bandwidth stock product) and 5/8″ (15.8 mm bandwidth made to order)
  • Standard stocked product is all 301 stainless steel
  • Spring version available with Belleville washer

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German-style

  • Higher clamping force than American style clamps at less torque
  • Rolled edges minimize hose abrasion
  • Non-slotted band eliminates hose extrusion
  • Best option for performance versus price
  • Available in 9 mm and 12 mm bandwidths

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Swedish-style

Swedish-style
  • 1-piece tubular housing (nonwelded) for maximum strength
  • Smooth I.D. reduces hose damage and maximizes conversion of torque to clamping force
  • Rolled edges protect hose from abrasion
  • Available in 10mm and 12mm bandwidths
  • Standard material (stocked) is W5 material all 316 stainless steel construction

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