The Halfen Spot Insert – Tee Bolt is a special tee-head bolt designed for use with the Spot Insert. Various bolt diameters and lengths are available to meet specific requirements. Refer to the table for dimensions and/or allowable loads. Note that item numbers ending in 1 are electroplated and ending in 2 are hot dip galvanized. One corresponding nut is furnished with each Tee Bolt.