supply of set of thread plug gaugeset of thread plug gauge,set of thread plug gauge for lhb coaches, one set of go-no-go thread plug ga uges should have the following items (1.) plug gauge go & no go size- m20x2.5mm pitch, quanti ty-1 no. (2) plug gauge go & no go size-m16x2mm pitch, quantity-1 no., (3) plug gauge go & no go size- m8x1.25 mm pitch, quantity-1 no. make: braker or master metrology or similar. note:- calib ration certificate to be supplied from nabl approved labs and the date of calibration must not be later than 1 month from the date of supply. [ warranty period: 30 months after the date of delivery ] ]