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1 3/8 x 6 Reduced Shank Drill Bit (1/2 Shank)

5/16 x 2 1/2 Flat Sleeve Anchor Zinc Plated (50)

7/8-14 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated

The Spike® anchor is formed with an "s" shaped configuration at the working end of the anchor to create an expansion mechanism

#21 Heavy Duty Jobber Drill Bit (12) 9/16-12 Grade 8 Hex Cap Screws Yellow Zinc Plated You’ll also benefit from quick#21 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.