These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
Anchors 3/8-16 Ms Lead Ancr (Box 1000)
https://nsiindustries.com/product/anchors-3-8-16-ms-lead-ancr-box-1000/
Anchors 3/8-16 Ms Lead Ancr (Box 1000)
These truss head combo screws are extra-long making them perfect for electrical box installations. With a combo drive, these fasteners can be used with slotted and Phillips screwdrivers and drill bits.
Anchors 5/8 x 10 Wdg St-zn (Box 10)
https://nsiindustries.com/product/anchors-5-8-x-10-wdg-st-zn-box-10/
Anchors 5/8 x 10 Wdg St-zn (Box 10)
Anchors 1/4 Hollow Set Drop-In St-zn Z (Jar 100)
https://nsiindustries.com/product/anchors-1-4-hollow-set-drop-in-st-zn-z-jar-100/
Anchors 1/4 Hollow Set Drop-In St-zn Z (Jar 100)
Washers 3 X 4 Reducing Electro (Box 10)
https://nsiindustries.com/product/washers-3-x-4-reducing-electro-box-10/
Washers 3 X 4 Reducing Electro (Box 10)
These round washer head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
Thread Rod 1/2-13 X 10′ St-zn (Bundle 12)
https://nsiindustries.com/product/thread-rod-1-2-13-x-10-st-zn-bundle-12/
Thread Rod 1/2-13 X 10′ St-zn (Bundle 12)
12 x 3 in. Pan Head Square Drive Tapping Screws – Steel Zinc – 100qty
https://nsiindustries.com/product/12-x-3-in-pan-head-square-drive-tapping-screws-steel-zinc-100qty/
These pan head tapping screws cut their own threads into a material, but still rquire a pilot hole and are typically used in construction with a variety of materials.
These hex head heavy duty drill screws are designed to drill through thicker materials than regular screws while creating a more secure connection.