Type	Max. dia. And Max. length to be machined	rotational speed of milling head	range of lead (pitch) to be machined	overall dimensions(L×W×H)and Net weight	workpiece to be machined	main usage
SB6110A/PC Semi-automatic screw rod milling machine	M120×50(internal threads) M100×80(external threads)	75-600rpm(10 grade)	0.75-6mm	2910×1163×1290mm 5500kg	thread	It's a special machine for milling short interal or external threads by means of comb cutters.
SB6120A/PC Semi-automatic screw rod milling machine	M200×50(internal threads) M150×50(external threads)	210-2320rpm	0-3mm	2397×1123×1260mm 5000kg	thread	It's a special machine for milling short interal or external threads by means of comb  cutters.
SZ6212A/1 Automatic thread milling machine	M160×700					It is specially used for cutting internal threads on nose cone of shells.
SK6130 NC thread milling machine	300mm×4500mm(6000、2500、1000)	60-320rpm(stepless)	1-1000mm	7990×1930×2165mm 16000kg	thread screw rod worm	It can cut all kinds of threads.such as :lead screws,sinple or multi-start worms and industrial pump rotors with a flaky milling cutter or a profile cutter.It also can make threads on spindle nose with a comb milling cutter.The cutting length is decided by customers
S6125 Thread milling machines	φ250×1350mm	40-250rpm(9 grade)	1-500mm	3185×1394×1230mm 7000kg	thread screw rod worm	It can cut threads with common or coarse pitch,such as :driving lead screws and sinple or multi-start screws by using a flaky milling cutter.It can also hob straight-toothed spline shaft gears by hobs or spindle nose by comb milling cutters.
SK6220 NC thread milling machine	M200×50(internal threads) M150×80(external threads)	150-2400rpm(stepless)	0-6mm	3350×1835×2100mm 7000kg	thread	It's a special machine for making short internal(or external threads with comb milling cutters. .
SK6330 NC screw rod milling machine	φ300×4500(6000、2500、1000)	150-1300rpm(stepless)	1-1000mm	7990×1930×2165mm 16000kg	special screw rod	It can cut different threads with changeable lead or bottom diameter,constand lead or bottom diameter ,single or multi start,multi-section with different pitches,and different screw rod of taper thtreads.