Just found out about these vortex point drills. : r/Tools

Norseman Type 175-VT Mechanic Length Vortex Point Drill Bits USA Made (5, 3/8)

Vortex Tool, Inc.

Norseman 175-VT Vortex Point Mechanic Length Drill Bits USA Made - 1/16 - 1/2

VORTEX–POINT™ Mechanics Length — Norseman™ Drill and Tool

What's the difference in these metal drill bits? Huge price gap : r/Tools

Norseman Vortex-Point™ Drill Bit Set, Mechanics Length

Norseman Type 175-VT Mechanic Length Vortex Point Drill Bits USA Made (5, 3/8)

Viking Norseman Vortex Point Step Drill Bits Sets Mechanic Length (DCE — Taylor Toolworks

Viking Norseman Vortex Point Step Drill Bits - Review by LIttleBlackDuck - Craftisian

VORTEX–POINT™ Drills & Fast Spiral Reamer–Maint. Set