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

Threaded studs are set by tightening the nut

1-8 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated

Grade 5 Hex Cap Screws are manufactured from medium carbon steel

Hex Lag Screws are manufactured from low carbon steel to meet SAE J429 Grade 1

#4 Heavy Duty Jobber Drill Bit (12) Wedge Anchors Mechanically Galvanized 2 1/2-8 A194 2H Heavy#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.