These zinc-plated screws are capable of holding up to 38 lbs

3/4-10 x 2 1/4 Socket Cap Screw Zinc

these high-strength screws are designed to withstand up to 20% more withdrawal capacity than standard screws

7/8-14 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (85)

195 x 6 Simpson Strong-Drive® SDWH Timber-Hex Screw Double-Barrier Coated - Carton (600)

1-3/16" X 3" HSS Annular Cutter, Qualtech, Premium, DWC5-530-342 SDS Plus Hammer Drill Bits These zinc-plated screws are capableAnnular cutters are designed for fast, efficient hole making. Annular cutters cut only that material necessary to produce a quality hole. Works with Hougen Magnetic Drill, Milwaukee and similar machines.