DIAL GAUGE BASE
DIAL GAUGE BASE COMPOSED BY: SPRING + PIN + DISC + BASE UPR + BASE LWR HEAT TREATMENT OF CARBURIZING AND HARDENING WITH A HARDNESS OF 58 – 60 HRC AND DEPTH 0.8MM TO 1.0MM. SURFACE TREATMENT OF BLACK OXIDATION ON ALL PARTS. OBS.: SPRING IN HARDENED SPRING STEEL. THE MATERIAL IS SAE 8620.
