Also known as bridge clamps, these worm-drive clamps align with the spiral support on wire duct hose to provide a tight seal. When looking at the end of your hose, a right - hand spiral twists away from you clockwise; a left - hand spiral twists away from you counterclockwise.

Rockler Keyed Bridge Hose Clamps (Pack of 5) - 4” Stainless Steel Hose Clamps - Superior Connection Strength Hose Clamp Protector - Hose Support Clamp for Powerful Clamping Force

Mar 1, 2017 · Commonly used to connect hoses to dust hoods, blast gates, connectors and other fittings - these keyed hose clamps can also be an essential accessory for connecting dryer vent hoses and other tubed connections.

OVERVIEW: These apply a tight seal by providing a step over the raised helix of duct hoses. The TD1, TD4, TD5, TD7, TD9, TD12 & FD1 hoses use right handed clamps. The FD2 hose uses left handed clamps.

Apr 17, 2023 · Bridge clamps for Ducting Hose can greatly extended the life of the hose when sized correctly according to equipment exhaust requirements.

Bridge Clamps are designed to fit over the helix and create a leak proof seal. The clamp aligns with the spiral support on wire duct hose to provide a tight seal. They're also known as worm-drive clamps.

What sets these hose clamps apart is the integral bridge that steps over the tubing's helical reinforcement. The clamp band registers only in the web, fastening securely to provide a true seal. This eliminates sudden hose detachment and reduces pressure loss from leakage.

Duct hose worm gear bridge clamps ensure a tight seal on hose that has a raised wire helix which reinforces and maintains the shape of the hose. These clamps are designed to bridge the wire helix so that the clamp sits snug on the hose.