Amazon.com: MOUNTAIN MEN Auger Bit 1pc 5/32-32 3/16-24 5-16-18 1/4-20 1/2-12 5/8-11 Straight Thread Tap HSS Right Hand Plug Tap Screw Thread Tap Drill (Color : No. 1 5l32 32) : Tools & Home Improvement
Thick carbide coatings to stop corrosion & wear of screws & augers. HVAF spray equipment.
Auger Flighting & Custom Augers - Falcon Industries, Inc.
Auger Drive (Screw Conveyor) by Tunell - Thingiverse