73181500 under HS Code SCREWS, BOLTS, NUTS, COACH-SCREWS, SCREW HOOKS, RIVETS, COTTERS, COTTER-PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF IRON OR STEEL - THREADED ARTICLES : OTHER SCREWS AND BOLTS, WHETHER OR NOT WITH THEIR NUTS OR WASHERS, 40169390 under HS Code OTHER ARTICLES OF VULCANISED RUBBER OTHER THAN HARD RUBBER - OTHER : GASKETS, WASHERS AND OTHER SEALS : OTHER, and 90319000 under HS Code MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS PARTS AND ACCESSORIES were the top imported HS Codes by DY & DU RAJAPAKSE PRIVATE LIMITED in 2021.