precision punching bullet for hvac tube

{"cid":"91222798","title":"Punching Bullet For Copper Tube Holes Processing On CNC Punching Machine","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/0b\/14761138772252e84b6e721f73ba-200x200-1.jpg","attrs":{"Price":"Negotiate Price","Brand Name":"Punching Bullet","Model Number":"Punching Bullets 01","Minimum Order Quantity":"10 PCS","Delivery Time":"10-15 work days","Certification":"TS16949","Place of Origin":"china","Payment Terms":"T\/T, D\/A, D\/P, L\/C, Western Union, MoneyGram","Supply Ability":"10000 pieces per month","Packaging Details":"Plastic box and carton box packaging","Product Name":"Punching Bullet Punching Hole Tools Punch Hole Tooling Punch Hole Tool Bullet Punch Hole Head Punch Hole Bullets","Material":"SKD11,DC53 or HSS SKH51","Process Tube Dia.":"\u03a69.52-\u03a6110","Processing":"Precision CNC Lathe Turning","Heat Treatment :":"HRC 60\u00b0-62\u00b0","Punching Hole Dia.":"\u03a65,\u03a66.0,\u03a66.35,\u03a67,\u03a67.94,\u03a69.53,\u03a68.9,\u03a612,\u03a612.7,\u03a614.5,\u03a615.88,\u03a619.05,\u03a622.22","Quality":"100% Inspection","Surface Finish":"Ra 0.4","Service":"OEM or ODM","Application":"CNC Hole Punching Machine,CNC Tube Perforating Machine,CNC flute type punching machine,CNC Tube Integrated Machine(All in one),Integrated tube cutting bending and Punching machine,Integrated Punching Tube Bending and End Forming Machine","Usage":"Punching Hole Copper Aluminum and Stainless Steel Tube"}}

{"cid":"91222731","title":"Custom-Sized Kraft Paper Tubes - Precision Cut, Hole Punching & Flange Roll Services","imgUrl":"https:\/\/img.chinax.com\/nimg\/ae\/4a\/a0903e28e3d672ab7052d8d9e996-200x200-1.jpg","attrs":{"Brand Name":"SJPACK","Model Number":"Customsized","Minimum Order Quantity":"100 Pcs","Delivery Time":"5 Work Days","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C, D\/A, D\/P, Western Union, MoneyGram","Dimensions":"Cusomsized","Material":"Kraft Paper","Color":"Natural paper","Shape":"Round","Customization":"Can be customized","Printed":"Accept Logo printing","Condition":"New","Country of Origin":"China"}}