Hi, as others have said, it is decided by many factors.
However, if you have a visit of this website:
www.screwtech.cn, you will find the ball screw and lead screw of good quality and in low price. You can have many options to fit your specific designs, what's more you can get technical suggestion from our experienced engineers.
If you are interested, then please contact me.
Jeffery Yao
Suzhou Screw Technology Co., Ltd
Add: 2-306, No.160 Heshan Road, Suzhou, China (215129)
Tel: +86-512-66903936
Fax: +86-512-82175260
E-mail:
screwtech@screwtech.cn
Yahoo! Messenger:
screwtech@yahoo.com.cn
Skype:screwtech