STI HELICOIL THREAD PLUG GAGE. 4 – 40 UNC – 3B STI HELICOIL. ”Gage was protected very good. Will buy from you again.”. Thread Gages. plain Pin Plug Gages. NO GO P.D. plain Bore Ring Gages.
STI SS2421EM-EN. Manufacturer:STI – Safety Technology Intl. Stopper Station Push, Turn-to-Reset w/Shield. Item:Stopper Station Push, Turn-to-Reset w/Shield. Station housing molded of tough polycarbonate.
