self reversing lead screw for automation

{"cid":"91225307","title":"No Coating Lead Screw Ball Bearing Self Reversing Lead Screw For Automation Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/a2\/91\/cdd907fc3f6d334971465b494d11-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Yafan","Model Number":"Custom","Minimum Order Quantity":"1000pcs","Delivery Time":"winthin 30 days","Thread Direction":"Right-hand","Outside Diameter":"8 - 150 mm","Maximum Load":"500 N","Length":"500 mm","Basic Lead":"4-6mm","Pitch":"4 mm","Place of Origin":"Kunshan","Packaging Details":"Individually packaged","Payment Terms":"LC, TT 50% prepayment, payment upon delivery"}}

{"cid":"91215758","title":"25mm 12V NEMA 16 Stepper Motor With Lead Screw Captive Stepper Motor 4 Phase","imgUrl":"https:\/\/img.chinax.com\/nimg\/75\/8a\/4d2603819ea623fd41cc59d15035-200x200-1.jpg","attrs":{"Price":"$9.68-$14","Brand Name":"Casun","Model Number":"39SHD0609-40N","Minimum Order Quantity":"1PC","Delivery Time":"7-15 days","Certification":"CE,ROHS,ISO","Place of Origin":"CHINA","Payment Terms":"D\/A, T\/T, L\/C, D\/P","Supply Ability":"40000+PCS+Month","Packaging Details":"Carton:38x29xc14m","Step angel":"1.8\u00b0","Holding Torque":"120mN.m","Current":"0.28A","Motor Length":"25mm","Shaft":"Screw Shaft 40mm Length","Customized":"The motor can be designed &manufactured with customized request."}}