Amazon.com: #8 x 3/4" Hex Washer Head Self-Drilling Tek Screw Zinc Plated Steel for Attaches Sheet Metal Steel or Steel to Metal - Box of 100 : Industrial & Scientific
sourcing map Round Die Grip Wrench Set, 3/8-24 UNF Tap and 30mm Die Holder (Capacity:20mm-30mm/M9-M11) with 5 Adjustable Screws : Amazon.de: DIY & Tools