supply of supply of set of thread plug gaugesupply of set of thread plug gauge,supply of set of thread plug gauge for lhb coaches, one set of go-no-go threa d plug gauge should have following item 1.) plug gauge go & no go size- m20x2.5mm pitch, qu antity-1 no, 2.) plug gauge go & no go size-m16x2mm pitch, quantity-1 no, 3.) plug gauge go & no g o size- m8x1.25mm pitch, quantity-1 no. make:- braker or master metrology or similar. note:- calibration certificate to be supplied from nabl approved labs, calibration certificate date done by supply of material. [ warranty period: 12 months after the date of delivery ] ]