15MM GO NO GO PLUG GAUGE MEASURING BORE SIZES

15MM GO NO GO PLUG GAUGE MEASURING BORE SIZES
THIS IS AN INSPECTION TOOL USED TO CHECK A WORKPIECE AGAINST ITS ALLOWED TOLERANCES
ITS NAME DERIVES FROM ITS USE, THE GAUGE HAS TWO TESTS, THE CHECK INVOLVES THE WORKPIECE HAVING TO PASS ONE TEST (GO) AND FAIL THE OTHER (NO-GO)

15MM GO NO GO INSPECTION TOOL PLUG GAUGE
TOTAL LENGTH 113MM
TOOL IS HARDENED AND GROUND