Proxxon pd400 engineering lathe system proxxon 24400 the proxxon engineering lathe system pd 400 is unequalled in its class and offers both precision and versatilityit has a 3 jaw chuck live centre and thread cutting capability it is ideal for straight and cross cuts taper turning internal and external thread cutting slotting etc and is usable on materials such as steel non ferrous metals aluminium brass etcthe sturdy frame with ground and hardened ribbed construction makes for