20 20000hz frequency response diamond core bit

{"cid":"91188233","title":"Long Lasting Durability Diamond Core Bit with 7-20 Inch Length and 10mm-15mm Segment Height for Superior Performance","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/74\/efb53eecd6b15bcb0691419c9f06-200x200-1.jpg","attrs":{"Brand Name":"cge","Place of Origin":"china","Keyword":"Headset","Tipped Material":"Diamond Segment","Standard":"Boart Long Year\/ Atlas Copco","Length":"7-20 Inch","Type":"Wet\/Dry","Bluetooth Standard":"None","Crown Profile":"Standard \/ Serrated W","Segment Height":"10mm - 15mm"}}

{"cid":"91189992","title":"30kw Induction Brazing Machine Diamond Saw Blade Core Bit Segment Teeth Tooth","imgUrl":"https:\/\/img.chinax.com\/nimg\/56\/01\/29a800af7d5890ad837da91c9be0-200x200-1.jpg","attrs":{"Brand Name":"Lanshuo","Model Number":"LSW-30","Minimum Order Quantity":"1 set","Delivery Time":"5-7 working days after receiving advanced payment","Certification":"CE ISO","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"2000 set per year","Packaging Details":"1.Standard wooden case, plywood case, and custormized case; 2. Inner packing: packing plastic film and foam in case of friction dampness and shake; 3.Accessories: induction coil 1, foot pedal 1, installing and operating instruction 1 and custormized del","Type":"Induction Brazing Machine","Voltage":"380V","Current":"45A","Rated Capacity":"30kw","Rated Duty Cycle":"100%","Dimension":"690*290*600mm","Weight":"48kg","Usage":"brazing, welding,melting","Power":"30kw","Color":"optional"}}