In 1755, having risen to be a mate, Cook joined the Royal Navy, and after four years' service was, on the recommendation of Sir Hugh Palliser, his commander, appointed master successively of the sloop Grampus, of the Garland and of the Solebay, in the last of which he served in the St. Lawrence.
Tap Bolt vs Cap Screw. What is the difference between a tap bolt and a cap screw? A tap bolt is (typically) a fully threaded hex bolt, while a cap screw is (typically) a hex head bolt that will be installed by turning the head of the bolt (screw) instead of tightening it with a nut.
What diffrent between PT, NPT and FPT thread. Hello! I have some problem with the different between pipe thread of PT, NPT, FPT. NPTF. Because a customer if require NPTF thread then he /she will states NPTF. But sometimes a US customer only say nedd Pipe taper thread or PT port etc, I will have question on PT, NPT or FPT.