NUT,BARREL NUT,CAP NUT 1.ISO,ANSI,JIS,DIN,BS& non-standard ... ,6.8,8.8,9.8.... NUT,BARREL NUT,CAP NUT A good non-standard fastenerS manufacturer for your better ... of our Products ? MaterialsCarbon steel,Stainless steel,Alloy steel,Copper,Aluminum are available.Carton steel is high quality iron,such ... steel is SS201,202,302,304,316...copper is shiny brass , pure copper,such as H62,H65,H68...Aluminum is ...