Hex Bolt Product Description A193 GRADE B7 STUDS AND THREADED RODS ITEM: STANDARD SPECIFICATION FOR ALLOY STEEL BOLTING FOR HIGH TEMPERATURE OR HIGH PRESSURE SERVICE MATERIAL: ALLOY STEEL A193 B7 (ANSI 4140) DIMENSION: IFI-136 THREADED STUDS FINISHING: BLACK HOT DIP GALVANIZED Main productsHex head boltDIN931,DIN933,DIN960,DIN961,ISO4014,ISO4017 Heavy hex boltDIN6914,DIN7990,ASTM A325,ASTM A490 Hex nutDIN934,DIN6915,ASTM A194 2H,ASTM A563 WasherDIN125,DIN127,DIN6916,ASTM F436 Stud boltDIN975,ASTM A193 B7 StandardDIN, ISO, ANSI, ASME, BS, AS, JIS and non-standards ApplicationBuilding, instrument, automobile, furniture and so on Grade MaterialGrade 4.8Q235 Grade 5.835K ( no heat treatment ) Grade 8.8D 鈮? M2035K M22 鈮? D 鈮? M2445# D 鈮? M2740Cr Grade 10.9D 鈮? M2440Cr D 鈮? M2735CoMoA Grade 12.9D 鈮? M2435CoMoA D 鈮? M2742CoMoA DiameterM6-M100mm Or 1/4"-1-1/2" Length20-1000mm Or 3/4"-12" Production ProcessCold HeadingCold heading 鈫? Heat treatment 鈫? Surface treatment Hot ForgingCutting 鈫? Chamfering(tail) 鈫? Hot forging 鈫? Chamfering(head) 鈫? Polishing 鈫? Backspin 鈫? Threading rolling 鈫? Heat treatment 鈫? Surface treatment FinishPlain, Black oxidized, Zinc Plated (white, yellow, blue, color...), Hot Dip Galvanized, Dacromet, Chrome Packing25kg per carton, 36 cartons packed in a pallet or according to your demands Supply Ability800 tons per month Minimum Order500kgs for each specification Delivery15-45 days CertificationISO9001-2008 and Ningbo Product Quality Inspection (see below) Our mottoHigh quality; Attractive price; Timely delivery; Service upmostHex Bolt website:http://www.hualongfasteners.com/hex-bolt/