300mm Spiral Duct Clamp BZP Lined - M8/M10 Boss

• Complete hanger assembly comes out of the box ready to install (sizes up to 600 mm)
• Increased opening angle easily accommodates all standard-sized spiral ducts (sizes up to 600 mm)
• Quick locking system prevents the hanger from accidently opening when duct is moved or adjusted (sizes up to 600 mm)
• Quick locking system easily closes with one hand (sizes up to 600 mm)
• Thread impression retains quick locking captive screw and prevents it from falling out during installation
• Return-lip on the hanger prevents the rubber from detaching, eliminating rework during installation
• Combo head bolt works with slotted, hex, or Phillips drivers
• Longer ears position the screw farther from the hanger, improving tool clearance when the screw is tightened
• Combination nut can be attached to M8 or M10 threaded rod, simplifying material handling
• Category II noise reduction according to DIN EN ISO 3822-1
• Compliant for sound insulation design according to DIN 4109
• Reaction-to-fire classification is "E" in compliance with DIN EN 13501-1