HEAVY HEX NUT

YPH fastener NINGBO. We are the professional manufacturer of Fasteners in China. The following are our regular product information, Threaded Rods : ASTM A193 B7 B7M ,ASTM A320 L7 L7M DIN975/976,B8 , B8M Hex Nuts : ASTM A194 2H 2HM GR7 GR7M ,DIN934/6923/985 Hex bolts : ASTM A325/A325M/A490/A490M/A307, DIN6914/7991/912/933/931/603 The sizes are from M12 to M100 (from 1/2 inch to 4 inches )in diameter. The product grades are 4.8, 6.8, 8.8, 10.9,12.9, B7,L7 and B7M ,etc. The using materials are 35#, 45#,40Cr, 35CrMo, 42CrMo, 25Cr2MoVA, 20MnTiB, various brands of stainless steel material.