Amazon.com: M3 M4 M5 M6 Copper Round Head Cross Screw High Conductivity Pan Head Phillips Groove Machine Tooth Screw 20mm M5 (5Pcs) : Industrial & Scientific
Ubersweet® Tap Chamfer, with Hex Wrench High Performance Chamfer, for Aluminum Copper(M5*0.8) : Amazon.in: Home Improvement
Custom CNC Parts Brass Copper Golden Color M5 M6 M8 Slot Slotted at Side Thread Protection Self Tapping Thread Inserts - China Thread Insert, Threaded Insert for Wood | Made-in-China.com
Custom CNC Parts Brass Copper Golden Color M5 M6 M8 Slot Slotted at Side Thread Protection Self Tapping Thread Inserts - China Thread Insert, Threaded Insert for Wood | Made-in-China.com