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Heavy Duty Worm Drive Hose Clamp

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Heavy-Duty Worm Drive Hose Clamp
Metal worm gear hose clamp with slotted adjustable band.
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HDL

HD Worm Drive Hose Clamp

All 316 series stainless steel clamp designed for plumbing applications. 1/2″ inch wide band is thicker than standard worm drive clamp. This construction yields superior performance and longevity in corrosive environments. Applications include plumbing, water well, municipal storm drain systems, irrigation, marine and transportation.
Specifications
Specification Sheet (PDF)
Size Chart
PDF Specification Sheet
Download PDF
Heavy-Duty Worm Drive Hose Clamp specification sheet with HDL part numbers, diameter ranges in inches and millimetres, and dimensional drawings.
Clamp Size Chart
Technical drawing showing two views of a circular clamp with dimensions including a 1.32 inch max width, 8mm hex head screw, and thickness references.
"A" Diameter Range
SAE Size Part Number Decimals Inches Millimeters
6 HDL 6SS 0.44 0.78 7/16 25/32 11 20
8 HDL 8SS 0.44 0.91 7/16 29/32 11 23
10 HDL 10SS 0.56 1.06 9/16 1/1/16 14 27
12 HDL 12SS 0.69 1.25 11/16 1-1/4 18 32
16 HDL 16SS 0.75 1.50 3/4 1-1/2 19 38
20 HDL 20SS 0.81 1.75 13/16 1-3/4 21 44
24 HDL 24SS 1.06 2.00 1-1/16 2 27 51
28 HDL 28SS 1.31 2.25 1-5/16 2-1/4 33 57
32 HDL 32SS 1.56 2.50 1-9/16 2-1/2 40 64
36 HDL 36SS 1.81 2.75 1-13/16 2-3/4 46 70
40 HDL 40SS 2.06 3.00 2-1/16 3 52 76
44 HDL 44SS 2.31 3.25 2-5/16 3-1/4 59 83
48 HDL 48SS 2.56 3.50 2-9/16 3-1/2 65 89
52 HDL 52SS 2.81 3.75 2-13/16 3-3/4 71 95
56 HDL 56SS 3.06 4.00 3-1/16 4 78 102
60 HDL 60SS 3.31 4.25 3-5/16 4-1/4 84 108
64 HDL 64SS 3.56 4.50 3-9/16 4-1/2 90 114
72 HDL 72SS 4.06 5.00 4-1/16 5 103 127
80 HDL 80SS 4.56 5.50 4-9/16 5-1/2 116 140
88 HDL 88SS 5.06 6.00 5-1/16 6 129 152
96 HDL 96SS 5.56 6.50 5-9/16 6-1/2 141 165
104 HDL 104SS 6.06 7.00 6-1/16 7 154 178
116 HDL 116SS 6.50 7.75 6-1/2 7-3/4 165 197

Heavy-Duty Worm Drive Hose Clamps

Murray Corporation manufactures heavy-duty worm drive hose clamps engineered for demanding applications where standard worm drive clamps may not provide sufficient clamping force or durability. Our heavy-duty worm drive clamps feature a wider band, heavier gauge material, and a robust screw mechanism designed to deliver higher clamping loads and longer service life in harsh operating environments.

Design and Construction

Our heavy-duty worm drive hose clamps are built for performance in the most demanding conditions. Key design features include a wider band width that distributes clamping force over a larger area, reducing the risk of hose damage and improving seal integrity. The heavier gauge stainless steel band provides greater resistance to deformation under high clamp loads. The reinforced screw housing prevents distortion during high-torque installation. And the precision-slotted band design ensures smooth, consistent tightening without binding.

These design features combine to deliver significantly higher clamping force than standard worm drive clamps, making our heavy-duty variant the right choice for applications involving larger hose diameters, higher system pressures, or exposure to vibration and mechanical stress.

Materials

Murray's heavy-duty worm drive hose clamps are manufactured from stainless steel for corrosion resistance and durability. The band, housing, and screw components are selected to resist corrosion from water, chemicals, road salt, and environmental exposure. All-stainless construction options are available for applications requiring maximum corrosion resistance.

Applications

Heavy-duty worm drive hose clamps are used in a wide range of demanding industrial and commercial applications, including heavy-duty truck and off-highway vehicle coolant, air intake, and exhaust connections, agricultural and irrigation pump discharge lines, marine engine and plumbing systems, mining and construction equipment fluid lines, municipal water and wastewater systems, and industrial process piping and fluid transfer.

Size Range and Ordering

Murray manufactures heavy-duty worm drive clamps in a comprehensive range of sizes to fit common industrial hose diameters. Custom sizes are available for specialized applications. Contact Murray Corporation or request a quote to discuss your heavy-duty worm drive clamp requirements.

Why Choose Murray Heavy-Duty Worm Drive Clamps

Murray Corporation brings over 100 years of manufacturing experience to every heavy-duty worm drive clamp we produce. Our ISO 9001:2015 certified quality management system ensures consistent dimensions, material properties, and clamping performance across every production run. With a 98 percent on-time delivery rate and manufacturing facilities in the United States, Canada, India, and China, Murray provides the quality assurance, production capacity, and supply reliability that industrial customers demand. Whether you need a few clamps for field maintenance or production quantities for an OEM assembly line, Murray has the inventory and capacity to deliver. Contact us to request a quote or discuss your specific requirements.

Murray Corporation
260 Schilling Circle
Hunt Valley, MD, 21031, USA
Phone: 410-771-0380
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