10-16 x 4 Phillips Drywall Self Drill Screw Zinc Plated (1000)

which means you can use them when you work in the same wall without them coming loose

3/4-16 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

DROP-IN® anchors are internally threaded

7/8-9 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated

#25 Heavy Duty Jobber Drill Bit (12) Nylon Insert Locknuts Zinc Plated 10-16 x 4 Phillips Drywall#25 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.