HOSE CLAMP S/S 21 - 44MM NORMA 64020H
The NORMA 64020H hose clamp is a stainless steel worm-drive clamp designed to secure flexible hoses or tubing to fittings. It provides a reliable, adjustable clamping force and fits hoses with outer diameters from approximately 21mm to 44mm (13/16 to 1-3/4). This clamp is used in automotive, plumbing, irrigation, industrial, and general mechanical applications.
Features and Benefits
The clamp is made of stainless steel, offering corrosion resistance and suitability for wet or outdoor environments. Its worm-drive screw mechanism allows precise tightening and adjustable clamping force. The clamp covers a broad diameter range, reducing the need for multiple sizes. High torque capacity ensures a firm seal, and the design allows for easy installation and reuse.
Specifications
Model / Part: NORMA 64020H SAE No.20 style worm-drive clamp
Clamping Range: 21mm to 44mm (13/16 to 1-3/4)
Band Width: 12.7mm (1/2)
Band Material: Stainless steel
Screw Material: Stainless steel
Drive Type: Worm gear with hex head
Recommended Torque: 30-45in-lbs
Applications
Automotive: securing coolant hoses, fuel lines, vacuum hoses, and other fluid connections.
Plumbing: fastening hoses in water lines to prevent leaks.
Irrigation and Garden: attaching flexible irrigation tubing or garden hoses to fittings.
Industrial Machinery: clamping hoses in equipment where vibration or pressure could cause leaks.
General Mechanical: workshop, DIY, and repair tasks requiring a secure hose-to-fitting connection.
Common Questions
What size hoses will this clamp fit?
The NORMA 64020H fits hoses with outer diameters from approximately 21mm to 44mm (13/16 to 1-3/4 inches).
Will it rust or corrode in wet conditions?
No. The clamp is made entirely of stainless steel — both the band and screw — so it resists corrosion and is suitable for wet or outdoor environments.
What is this clamp used for?
It's a worm-drive clamp designed to secure flexible hoses or tubing to fittings. It's used in automotive (coolant hoses, fuel lines), plumbing, irrigation, industrial machinery, and general mechanical repair work.
How tight should I make it?
The recommended torque is 30–45 in-lbs. The worm-drive screw allows you to tighten it precisely, and the clamp can be reused and adjusted as needed.
Do you ship this product Australia-wide?
Yes, this product ships Australia-wide via Australia Post or road courier. Select your preferred shipping method at checkout.
Can I Click & Collect from Gympie?
Yes — Click & Collect is available from our store at 55 Tozer St, Gympie. Open Mon–Fri 8am–5pm and Sat 8am–12pm. Click & Collect is FREE on orders of $175 or more, or a flat $10 on orders under $175. Select Click & Collect at checkout and we will have your order ready.