all kinds of products(nuts, turning parts, cnc machined component, fitting) was made according to customer's drawings or samples 2. processing craft: Raw Material--automatic lathe processing--tapping 3. QC system: 100% inspection before shipment 4. Certification: ISO9001, ZDHY We also provide low price tube bronze bushing,knurled round nuts,Automobile Bearing and soon. custom nut factory China: Suzhou Hogreat Metal Product Co., Ltd. Product Name insertion knurled round nuts thru threaded inserts brass insert nut Material brass Surface Treatment cleaning Standard as drawing or sample Grade Hardness testing machines,Projector ,slide caliper,micrometers, thread gauge etc. Brade Dalex Thread Surface Treatment Used Electronic parts