towers and other commercial structures

These are fully threaded hex cap screws (i

1/4-20 x 2 Combo Flat Sleeve Anchor Zinc Plated (100)

1 1/2-6 Grade 2 Finished Hex Nut Zinc Plated

3/8 x 2 1/2 Mushroom Spike Zinc Plated (25)

9/64 Heavy Duty Jobber Drill Bit (12) Drop-In Anchors 303 Stainless Steel towers and other commercial structures9 64 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.