BB21A, Two-Way Top Mount Bolt Base
A cast aluminum base for mounting to flat surfaces. Comes with a two-way bolt pressure cable holder. Versatile, narrow design works well in many situations. 5/16-18 stainless steel bolt and washer. 2 1/2" x 5" (6.35 cm x 12.7 cm); approximately 5.2 oz. (148 grams). Use suffix 1/2 or 5/8 to denote air terminal thread size.