W1504FA-5PG-C5Z20 NSK大导程FA型丝杠 UPFC1520-1.5 P预紧管循环 ¥2579.00 NSK PSS1205N1D0171精度C5螺杆实惠价钱PSS1205N1D0171-江苏勃曼工 ¥1660.00 直买丝杆1530孙竹螺杆PSS1530N1D1229实惠价钱 ¥2828.00 W3215SS-2Z-C5Z5 NSK小导程SS型丝杆 ZFT3205-5 Z预紧管循环式 ¥6418.00 直供研磨1530螺杆PSS1530N1D0811采购CAD ¥2578.00 W2806SS-1P-C5Z5 NSK小导程SS型丝杆 PFT2805-5 Z预紧管循环式 ¥4407.00