cnc brass parts with built in nuts

{"cid":"91202662","title":"CNC Brass M1 Double-Ended Bolts with Built-In Nuts 0.01mm Tolerance","imgUrl":"https:\/\/img.chinax.com\/nimg\/37\/3e\/6157b159c0ec61a13ed758843175-200x200-1.jpg","attrs":{"Price":"0.49","Brand Name":"PFT","Model Number":"OEM\/ODM","Minimum Order Quantity":"1pcs","Delivery Time":"7-15 day","Certification":"ISO13485, IS09001, AS9100, IATF16949","Place of Origin":"China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,","Supply Ability":"300,000pcs","Packaging Details":"custom","Equipment":"CNC Machining Centres,","Features":"Inner plastic bags, outer carton","Scrap Rate":"1%","Torlerance":"0.01mm","Proofing Cycle":"1-3 days","Services":"OEM\/ODM Service","Cutting Thickness":"Materials","Qc Control":"100%QC","Standard":"DIN, ASTM, GOST, JIS, ISO, BS, ANSI","Service":"OEM\/ODM,Customized OEM,One Stop Service","Origin":"China","Drawing":"2D\/(PDF\/CAD)3D(IGES\/STEP)","Application":"Automotive, Electronics, Machinery","Drawing Format":"PDF\/DWG\/IGS\/STP\/ etc"}}

{"cid":"91222738","title":"CNC Brass M1 Double-Ended Bolts with Built-In Nuts 0.01mm Tolerance","imgUrl":"https:\/\/img.chinax.com\/nimg\/37\/3e\/6157b159c0ec61a13ed758843175-200x200-1.jpg","attrs":[]}

{"cid":"91224172","title":"Quiet Operation Nema 17 Lead Screw With POM Brass Nut Low Friction For 3D Printers And CNC Machines","imgUrl":"https:\/\/img.chinax.com\/nimg\/af\/94\/e6ca7b2f530d2e2e1dcd8923bc26-200x200-1.jpg","attrs":{"Price":"$20~50\/unit","Brand Name":"WEIGU","Model Number":"42BYGH40","Minimum Order Quantity":"1Unit","Delivery Time":"15-30 work days","Certification":"RoHS","Place of Origin":"China","Payment Terms":"T\/T,D\/P,Western Union,","Supply Ability":"100000 Units\/year","Packaging Details":"Standard export package in corrugated carton (Mass production).","Type":"Hybrid Linear Stepper Motor","Step Angle":"1.8\u00b0","Shaft Type":"Tr8","Lead Screw Pitch":"2mm","Insulation Resistance":"100M\u03a9 (MIN.)","Dielectric Strength":"600VAC 1mA 1S"}}