The new LENOX® Bi-Metal SPEED SLOT® Hole Saw has a wide staircase slot with multiple leverage points for fast, easy plug removal after cutting wood or metal. The new design increases saw height by 10%, and removes saw dust and chips while cutting. The SPEED SLOT provides up to twice the life and is twice as fast as the previous model, while enhanced tooth form, thin kerf design, and advanced coating make cutting more efficient.
The code requires installing an approved material to slow the spread of fire between floors and adjacent vertical and horizontal cavities — here are the allowed materials and required locations.
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