Haining Zhongda Fasteners Co.,Ltd   Contact Name:Miss Zhou Phone:0086-571-89168002 ,89168003,0086-573-87995588 Fax:0086-571-89168009 Address:Factory Add.:Xuxiang Industrial Zone,Xucun Town,Haining City,Zhejiang Province,China Zipcode:314422 Email: Website: http://www.hn-zhongda.com DIN product:Castle nutsHexagon nutsMiscellaneous nutsPrevailing torque type nutsSquare nutsIFI product:Hex Coupling NutsHex Flange Nuts and Large Hex Flange NutsSquare and Hex Nuts

	DIN 935-1 Hexagon slotted nuts and caltle nuts with metric coarse and fine pitch thread - Product grades A and B
	DIN 935-3 Hexagon slotted nuts with metric coarse pitch thread - Product grade C
	DIN 979 Hexagon thin slotted nuts and castle nuts with metric coarse and fine pitch thread - Product grade A and B