Heavy duty pulley sales

4 Inch Heavy-Duty Galvanized Steel Garage Door Pulley
Feature: ... For sectional garage doors and doors with extension spring set-up; Maximum Cable size 3/16"; There should be very little movement in the pulleys except their rotation; If they do not turn smoothly or wobble, replace them; 4 Inch stem ...more
Editorial Reviews — ... Product Description | Normally used as an idler for low headroom sectional garage doors and doors with an extension spring set-up. These come in sizes 3", 4", and 3" with Yoke and 4" with Yoke....more

5 each: Campbell Heavy Duty Single Sheave Swivel Eye Pulley (T7550302)
Feature: ... 2" dia.; Heavy-duty design for indoor or outdoor use with rope or cord; Steel body construction with die-cast zinc sheave; Zinc plated for protection against rust and corrosion; Can be rigged as a block and tackle to reduce line pull ...more
Editorial Reviews — ... Product Description | Sold as one unit. (1 unit = 5 each.) 2" dia. Heavy-duty design for indoor or outdoor use with rope or cord. Steel body construction with die-cast zinc sheave. Zinc plated for protection against rust and corrosion. Can be rigged as a block and tackle to reduce line pull. Max rope size: 3/8". Working load limit: 480 lbs. Bulk. National no. 195-792. Manufacturer number: T7550302. SKU #: 5307962. Country of origin: China. Distributed by Campbell Chain/Coopertools....more

Heavy duty pulley related help/definitions

Attic access - An opening that is placed in the drywalled ceiling of a home providing access to the attic.

Beam - A structural member transversely supporting a load. A structural member carrying building loads (weight) from one support to another. Sometimes called a "girder".

Conventional loan A mortgage loan not insured by a government agency (such as FHA or VA)

Grade - Ground level, or the elevation at any given point.

Header - Heavier framing--usually doubled and laid on edge-- at the top of a window, door, or other opening. In masonry, a header course of bricks or stones laid on edge provides strength.

Mushroom - The unacceptable occurrence when the top of a caisson concrete pier spreads out and hardens to become wider than the foundation wall thickness.

Shutter - Usually lightweight louvered decorative frames in the form of doors located on the sides of a window. Some shutters are made to close over the window for protection.

Sill cock - An exterior water faucet (hose bib).

Slab, door - A rectangular door without hinges or frame.

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