The body of the anchors is also corrosion resistant

Threaded studs are set by tightening the nut

wedge style expansion anchor for use in solid concrete or grout-filled masonry

2 1/2-8 A194 2H Heavy Hex Nut Plain

Grade 5 Hex Cap Screws are manufactured from medium carbon steel

#4 Heavy Duty Jobber Drill Bit (12) Wedge Anchors Mechanically Galvanized The body of the anchors#4 Heavy Duty Jobber Drill Bit . Web construction is heavier than general purpose construction making it particularly suitable for cotter pin hole drilling and cross hole drilling in head of bolts. The heavy construction affords efficient drilling in stainless steel and other hard materials. The split point reduces the thrust requirements and minimizes walking.