The Norma W3 Worm Drive Hose Clamp delivers a secure, adjustable grip on hoses and fittings across a wide range of applications — from plumbing and irrigation to automotive and marine use. Built from 430 stainless steel, it resists corrosion and holds firm under pressure, making it a dependable choice for both trade and DIY jobs.

With a clamping range of 140–160mm and a 12mm band width, this W3-rated clamp suits larger diameter hoses where a reliable, even seal is critical. The worm drive mechanism allows precise tightening with a standard screwdriver or nut driver.

Key Features

• W3 worm drive design for precise, even clamping
• 430 stainless steel construction — corrosion-resistant and durable
• 140–160mm clamping range suits large-diameter hoses
• 12mm band width for a secure, stable grip
• Compatible with standard screwdriver or nut driver
• Suitable for plumbing, irrigation, automotive, and marine applications

Specifications

• Brand: Norma
• Type: Worm Drive / W3
• Material: Stainless Steel (430)
• Min. Clamp Diameter: 140mm
• Max. Clamp Diameter: 160mm
• Band Width: 12mm
• SKU: 140-160/12W3P