1.6 mm threaded rod - EKP Supplies - Precision Turned Parts for Model Engineering
Internal and External Thread Rod Body Piercing Stretch Guide Rod Button Rod | eBay
Small Parts Class 4.6 Steel Fully Threaded Rod, M8-1.25 Thread Size, 1 m Length, Right Hand Threads: Fully Threaded Rods And Studs: Amazon.com: Industrial & Scientific