nema 16 stepper motor 1 8 degree

{"cid":"91215758","title":"High Frequency NEMA 16 Stepper Motor 1.8 Degree 39mm Body For 3D Printer","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e2\/f2\/bb95b17d1cbee04dabcca0b36ab0-200x200-1.jpg","attrs":{"Price":"$4.14-$6.98","Brand Name":"Casun","Model Number":"39SHD4301-20","Minimum Order Quantity":"1PC","Delivery Time":"7-15 days","Certification":"CE,ROSH,ISO","Place of Origin":"CHINA","Payment Terms":"D\/A, T\/T, L\/C, D\/P","Supply Ability":"40000+PCS+Month","Packaging Details":"Carton:36x29x14cm","Step angel":"1.8\u00b0","Holding Torque":"150mN.m","Current":"1.0A","Motor Length":"34mm","Shaft":"Round Shaft 20mm Length","Customized":"The motor can be designed &manufactured with customized request."}}

{"cid":"91199744","title":"57mm Gearbox Stepper Motor Nema 34 1.2 Degree 4 Kg Cm","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/62\/1c\/abb851e0d315256a810eeb989181-200x200-1.jpg","attrs":{"Price":"USD","Brand Name":"HeTai","Model Number":"57BYGH350","Minimum Order Quantity":"50","Delivery Time":"25 DAYS","Certification":"CE ROHS ISO","Place of Origin":"China","Payment Terms":"L\/C, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10000 PCS\/MONTH","Packaging Details":"Carton with Inner Foam Box, Pallet","Product name":"Stepping gearbox motor","Step Accuracy":"\u00b1 5%","Temperature Rise":"80 \u2103 Max","Insulation Resistance":"100M\u03a9 Min.500VC DC","Ambient Temperature":"-20\u2103~+50\u2103","Dielectric Strength":"500VAC 1 minute","Max Radial Force":"75N (20mm from front flange)","Max Axial Force":"15N","Bearing at output":"sleeve bearing, Porous bearing","sleeve bearing":"Powder metallurgy, Zinc alloy, Engineering plastics"}}