Hose Clamp, Stainless Steel, Zink Plated Screw, 13/16" - 1-3/4", 20 Piece

Walrich® #20 Stainless Steel Worm-Drive Hose Clamp – Technical Product Information

The Walrich® #20 Stainless Steel Hose Clamp is a professional-grade fastening component designed for secure, leak-free connections in soft hose and tubing systems exposed to demanding environments. Engineered for use in marine, underground, and industrial applications, this clamp features a smooth inner liner to prevent hose damage, a precision worm-drive mechanism for consistent torque, and full stainless-steel construction to ensure long-term resistance to corrosion, vibration, and mechanical stress. The design conforms to SAE J1508 standards, meeting the requirements of professional-grade installation and service applications.

Technical Specifications

• Manufacturer: Walrich® Corporation
• Model Number: 2208020
• Product Type: Stainless Steel Worm-Drive Hose Clamp
• SAE Size: 20
• Clamping Range: 13/16 inch to 1-3/4 inch (20.6 mm to 44.5 mm)
• Band Width: 1/2 inch (12.7 mm)
• Material: Full 300-Series Stainless Steel Construction
• Screw Type: 5/16 inch Slotted Hex Head Screw, Zinc-Plated Stainless Steel
• Drive Mechanism: Worm-Drive (Helical Thread Engagement)
• Inner Liner: Smooth “Soft-Touch” Shielded Design to Protect Hoses
• Band Edge Finish: Rounded for minimized abrasion during tightening
• Housing Design: No spot welds or seams; continuous band integrity
• Corrosion Resistance: Fully resistant to rust, pitting, and galvanic corrosion
• Operating Temperature Range: -40°F to 400°F (-40°C to 204°C)
• Torque Rating: Meets SAE J1508 torque and load requirements
• Applicable Standards: SAE J1508 Type F Worm-Drive Clamp Specification
• Environmental Suitability: Marine, Underground, Outdoor, Industrial, and Chemical Processing Applications
• Compliance: Suitable for use in harsh and corrosive environments
• Maintenance: Reusable and field-serviceable design

Design and Performance Features

• Constructed entirely of stainless steel for maximum corrosion resistance and longevity
• Soft-touch inner liner prevents hose perforation and ensures even pressure distribution
• No sharp edges or cut-outs to damage flexible tubing or reduce sealing efficiency
• Precision worm-drive thread engagement provides consistent torque and uniform sealing pressure
• Free of welds, laminates, or coatings that may fail under heat or UV exposure
• Meets SAE J1508 for dimensional and performance consistency
• Ideal for marine, buried, and high-humidity installations
• Available in multiple SAE sizes to accommodate a range of hose diameters

Professional Summary

The Walrich® 2208020 (#20) Stainless Steel Worm-Drive Hose Clamp is engineered for professional use in demanding fluid handling and mechanical service environments. Its smooth, soft-touch liner ensures reliable sealing on soft hose materials while preventing internal damage. The full stainless-steel body and screw assembly eliminate corrosion points, making it ideal for marine, industrial, and buried applications. Conforming to SAE J1508 specifications, this clamp delivers consistent torque, precise clamping force, and exceptional durability, providing a dependable fastening solution for contractors and technicians requiring long-lasting, high-performance hose connections.