Product Name: China Supplier Black Anodizing Aluminum Knurled Nut Model NO.: Nut-004 Grade: Aluminium 6061 Standard: DIN, ANSI, GB, JIS, GOST Head Style: Round Connection: Common Bolt Type: Round Head Material: Aluminium Finish: Black Anodizing HS: 7616100000 Process: Turning Customized: as Customer Drawing or Sample Trademark: JK Transport Package: Inside Is The Poly Bag, Outside Is Carton Specification: 3/8''-16*12.5*25 Origin: Dongguan China HS Code: 7616100000 Product Description China Supplier Black Anodizing Aluminum Knurled NutSize: 3/8''-16*12.5*25Material: AluminiumFinish: Black AnodizingType: Machine ThreadApplication: Connected With Bolt. Request Good Quality In Surface.We can produce screw in different specification and used other material, Please kindly tell us your requirement. We can meet your satisfied.SizeM2-M48, according to customer's demandGrade4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80StandardISO, GB, BS, DIN, ANSI,JIS, Non-standardAvailable material1. Stainless steel: 201,303,304,316,4102. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C10453. Copper: H62,H65,H684. Aluminum: 5056, 6061, 6062, 70755. According to customer demandSurface treatmentZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.Place of OriginDongguan ChinaCompany IntroductionJK Fastener Co.,Ltd is located in Dongguan City Guangdong Provice China, famous as World Factory. Our factory specialize in producing screw, bolt, nut etc. Hardware. If you have drawing or sample, please kindly share with us, we can customize as per your demand.Customer's CommentsWhy Choose Us?1. 24 Hours online Service2. Competitive Price With Good Quality3. Promised Lead Time4. Produce according to drawing