Designed with 6-lobe head configuration and included driver bit for fast and easy installation

Simpson's Flat Head Titen Turbo™ Concrete and Masonry Screw Anchors are a high-performance option for securing into concrete and masonry

making it perfect for hanging shelves

1-14 x 3 3/4 Socket Cap Screw Alloy

2-1/16" X 3" HSS Annular Cutter, Qualtech, Premium, DWC5-530-383 M36-4.00 Socket Cap Screws 12.9 Alloy Plain DIN 912 Designed with 6-lobe head configurationAnnular 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.