sgs approved metric masonry drill bits

{"cid":"91189062","title":"Sand Blasted Metric Masonry Drill Bits U Flute Tungsten Carbide Tipped","imgUrl":"https:\/\/img.ismap.com\/nimg\/08\/e6\/9f1b86a9fb1ebf47a41fb2784b12-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"STARRY AND OEM","Model Number":"3-25MM","Minimum Order Quantity":"500 Piece\/Pieces","Delivery Time":"25DAYS","Certification":"ISO9000","Place of Origin":"JIANG SU","Supply Ability":"500000 Piece\/Pieces per Month Masonry Drill Bit","Packaging Details":"pvc bags and Plastic tube","Material":"High Carbon Steel","Tip Material":"Tungsten Carbide","Process":"Milled Flutes and Welded TipS","Flute Type":"U Flute","Surface Finish":"Copper Plated","Shank":"Round Shank","Standard":"DIN8039 and ANSI"}}

{"cid":"91165061","title":"Accepted OEM Marble Drill Bit , GB SGS Diamond Core Drill 20mm","imgUrl":"https:\/\/img.ismap.com\/nimg\/2e\/84\/78dbfc2573b6b989acfddba60d09-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"JOHNSON TOOLS","Model Number":"BGB20","Minimum Order Quantity":"50pcs","Place of Origin":"CHINA","Packaging Details":"Plastic box, Paper box","Certification":"GB, SGS","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"1000pcs per month","Materials":"Metal Bond","Application":"Granite, Marble, and other Stones","Size":"20mm","Connector Type":"3\/8\" shaft","Machine:":"Core Drilling Machines or Hand Machines","Segment Type":"Crown \/ Ring Segment Type"}}

{"cid":"91222407","title":"SG-3 Tungsten Carbide Rotary File Pointed Tree Shape With 1\/4\"Shank For Die Grinder Drill Bit","imgUrl":"https:\/\/img.ismap.com\/nimg\/3a\/f8\/7743f40335a95aece63ce0499b11-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"BABOS","Model Number":"SG-3","Minimum Order Quantity":"20pcs","Delivery Time":"3 days for standard products, 1-2weeks for custom products.","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"10,0000pcs per month","Packaging Details":"Plastic Box","Material":"Tungsten Carbide","Shape":"Tree Pointed","Cut Diameter":"3\/8 inch","Cut Length":"3\/4 inch","Shank Diameter":"1\/4 inch","Flute Type":"Standard Double Cut","Suitable For":"Machining Surface Profile of Workpiece","Application":"Deburring, Shaping, and Finishing","Package Quantity":"1","Max Rpm":"50,000"}}