#20P Stainless Steel Hose Clamp w/ Zinc Plated Screw 10/box

Product Overview

1/2" Band | Adjustable 13/16" – 1-3/4"

The 20P Stainless Steel Hose Clamp with Zinc Plated Screw is a professional-grade worm-drive clamp designed to securely retain hoses and tubing in applications where corrosion resistance and dependable clamp force are required. Featuring a 300 Series stainless steel band and housing paired with a zinc plated steel screw, this clamp balances durability with cost-effective performance for marine, outdoor, HVAC, industrial, and automotive applications. Its broad adjustable range and reliable torque performance make it well suited for electrical contractors, marine engineers, HVAC professionals, and industrial maintenance teams needing consistent hose sealing hardware.

Specifications

• Band Width: 1/2"
• Adjustable Range: 13/16" – 1-3/4"
• Material: Band and Housing are 300 Series Stainless Steel; Screw is Zinc Plated Steel
• Corrosion Resistance: Stainless steel band and housing resist corrosion; zinc plated screw provides moderate protection
• Performance: All CTU Standard Hose Clamps exceed 60 inch-pounds of torque
• Recommended Installation Torque: 35-45 in.lbs. (4.0-5.1 Nm)
• Compliance: RoHS Compliant – No Hexavalent Chromium (Cr(VI)) Material
• Packaging: Sold in boxes of 10

Performance Advantages

• 300 Series stainless steel band and housing provide enhanced corrosion resistance versus carbon steel alternatives
• Zinc plated steel screw balances corrosion resistance with value-focused cost performance
• Adjustable range from 13/16" to 1-3/4" covers a broad range of hose diameters
• Exceeds 60 in-lbs torque capability for consistent clamp tension under load
• Recommended torque band promotes repeatable clamp performance and sealing
• RoHS compliant with no hexavalent chromium (Cr(VI)) material

Applications

• Marine plumbing and bilge hose systems
• Industrial fluid transfer hose lines
• HVAC condensate and duct hose securing
• Automotive coolant and fuel hoses
• Agricultural irrigation hoses
• Outdoor equipment hose assemblies

Installation Notes

• Use a 5/16" slotted screwdriver or compatible nut driver for installation
• Tighten clamp until snug without over-torquing, which can deform the hose or clamp band
• Follow recommended installation torque of 35-45 in.lbs. (4.0-5.1 Nm)
• Ensure the hose or tubing is fully seated before tightening
• For consistent installation torque, see our Tools & Equipment collection

Packaging

• Sold in boxes of 10 hose clamps