Product Description
Length of thread on shank should be minimum 120 mm for 11KV Pin and 130 mm for 33 KV Pin insulator. Shank diameter is 20 mm for 11 KV Pin Insulator & 24 mm for 33 KV Pin Insulator. Minimum Collar diameter should be 40 mm & 48 mm for 11 KV & 33 KV Pin insulators and its minimum thickness should be of 5 mm