grade 4 8 12 9 threaded coupling bolts

{"cid":"91199727","title":"Grade 4.8-12.9 Threaded Coupling Bolts \/ Threaded Steel Bolts in Carbon Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/89\/fd\/77d5518f0c498b1bedb937a3c3fe-200x200-1.jpg","attrs":{"Price":"negatibe","Brand Name":"TOBO","Model Number":"ASTM A194","Minimum Order Quantity":"1000","Delivery Time":"7-20 workdays","Place of Origin":"China","Certification":"ISO CE","Packaging Details":"cartons","Payment Terms":"T\/T","Supply Ability":"20 tons per month","Application":"Construction, Machinery","Material":"Carbon Steel","Size":"M6-M20","Package":"Carton Box","Thread Type":"Unified Coarse Thread","Certificate":"ISO9001","Standard":"DIN, ANSI, GB, JIS","Length":"20-200mm"}}