ALUMINUM SLEEVE NUT 1.ISO,ANSI,JIS,DIN,BS& non ... 6.8,8.8,9.8.......... ALUMINUM SLEEVE NUT,ALUMINUM WELD NUT,NUT A good non-standard fastenerS manufacturer for your better ... hexagonal type,Torx type,trangle type,slotted point type,square type,Combined type...FinishZinc plated,Nickel plated,Dacroment ... with more than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on ...