These high hat hex head self-drilling and tapping screws cut their own threads into a material without the use of a pilot hole.
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.
Metallics TP108SBC Screws 8-32 x 1-1/4 Btn Hx Pin TR MS (Jar 100)
https://nsiindustries.com/product/screws-8-32-x-1-1-4-btn-hx-pin-tr-ms-100-pcs/
Screws 8-32 x 1-1/4 Btn Hx Pin TR MS (100 pcs)
This bugle head screw has thinly spaced threads and an extra sharp point designed specifically for attaching drywall to metal studs from 25-20 gauge.
Metallics JCB25 Bolts 3/8-16 X 2-1/2 Carriage Blt St (Jar 50)
https://nsiindustries.com/product/bolts-3-8-16-x-2-1-2-carriage-blt-st-jar-50/
Bolts 3/8-16 X 2-1/2 Carriage Blt St (Jar 50)
These socket head cap screws have threads along the entire length with a hexagon drive allowing high torque perfect for clamping machinery parts together.
Metallics JSHC38212SS316 Screw 3/8-16 x 2-1/2 SHCS 316 SS (Jar 100)
https://nsiindustries.com/product/screw-3-8-16-x-2-1-2-shcs-316-ss-jar-100/
Screw 3/8-16 x 2-1/2 SHCS 316 SS (Jar 100)
Metallics JC8 Chain #8 X 100FT Jack Galv Steel (Box 1)
https://nsiindustries.com/product/chain-8-x-100-jack-galv-steel-box-1/
Chain #8 X 100′ Jack Galv Steel (Box 1)
Metallics W114M Washers 1/4 X 1-1/2 Fender St-zn (Box 1000)
https://nsiindustries.com/product/washers-1-4-x-1-1-2-fender-st-zn-box-1000/
Washers 1/4 X 1-1/2 Fender St-zn (Box 1000)
Metallics TP319SPC Screws 1/4-20 x 3/4 PN Span TR MS USA (Jar 100)
https://nsiindustries.com/product/screws-1-4-20-x-3-4-pn-span-tr-ms-usa-100-pcs/
Screws 1/4-20 x 3/4 PN Span TR MS USA (100 pcs)