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1 1/4-7 Nylon Insert Locknut Zinc Plated

3/4-10 x 3 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated

1-14 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated

the hardness rating is HRC 24-35

27/64 Heavy Duty Jobber Drill Bit (6) A563 Grade A Heavy Hex Nuts Hot Dipped Galvanized flat-rate shipping that gets you27 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.