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Pole Key

Quicker Installing, More Efficient Than Wood Key

Made of structural steel, the Chance Pole Key anchor is used where guys are impractical or as backup to guys.

The Pole Key anchor can be installed in about 15 minutes, while it takes about 3 hours to install an old-type wood key.

The Pole Key anchor is extensively used for keying power and telephone-line poles, and wood poles used in street lighting. It is also used as a pole reinforcement in soft soils where the load is unbalanced, due to small angles or crossarm configuration.

Catalog Number Width Expanded Blade Width Area Expanded Approx. Weight Ultimate Resisting Force
at 5 ft. Depth (lb.)
Soil Class 3 Soil Class 4 Soil Class 5 Soil Class 6
*P4817 27 1/4" 7" 276 sq. in. 24 1/2 lb. 11,000 9,500 7,400 5,800
  • *RUS Accepted. Accommodates any 3/4"-diameter rod on page 4-17.

The lateral load and overturning moment which can be resisted depends on the height of the load above ground level, the depths of the two opposing Pole Keys, and the allowable lateral deflection of the pole at ground line.

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Anchoring