ALUMINUM SLEEVE NUT 1.ISO,ANSI,JIS,DIN,BS& non-standard ... ,6.8,8.8,9.8.......... ALUMINUM SLEEVE NUT,ALUMINUM WELD NUT,NUT A good non-standard fastenerS manufacturer for your better ... customer's demand .SizeThe Diameter :Generally,it is M1-M16 in our fasteners.The length :ordinary,It is less ... manufacturer with more than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on .2 ...