GB812 Round Nuts Black Oxide M140 Class10

Jinjiang Tagong Hardware Forging Manufacturer Co. LTD,   specialized in producing Nuts since 1985,Standard Nuts (GB / DIN / ISO / UNI / JIS / GOST / ANSI / ASTM );And Special Nuts ( Slotted nuts,Nylon insert nuts,Flange Nuts,Self-hold Nuts,Square Nuts,Cap Nuts,etc.)Product Description     GB /T 812 - M140 - Class10 -  Black Oxide(samples with surface treatment of Black oxide)Property class ,Material , and Surface coating can be replaced as below : Mechnical Property MaterialSurface TreatmentClass 4 / 5/ 6/ 8/ 10/ 12 Steel 4540Cr35CrMo42CrMoQ235Steel20 PlainBlack oxideZinc PlatedPhosphatedDacrometGeometHDG     Packing way: 25kg/carton, 1.5tons-2.5tons / pallet ; or as requested by buyer.If you want know more information, pls contact with us.                                     P.S.:  Please contact us to re-quote the exact price before placing an order, due to material price is unstable.   dM16M18M20M22M24M25M27M30M33M35M36M39M40dk30323538424245485252555858d122242730343437404343464949m88810101010101010101010n5.3-55.3-55.3-55.3-55.3-55.3-55.3-55.3-56.3-66.3-66.3-66.3-66.3-6t3.1-2.53.1-2.53.1-2.53.1-2.53.1-2.53.1-2.53.1-2.53.1-2.53.6-33.6-33.6-33.6-33.6-3c0.50.50.50.511111111.51.5c10.50.50.50.50.50.50.50.50.50.50.50.50.5dM42M45M48M50M52M55M56M60M64M65M68M72M75dk62687272787885909595100105105d153596161676774798484889393m10101212121212121212121515n6.3-66.3-68.36-88.36-88.36-88.36-88.36-88.36-88.36-88.36-810.36-1010.36-1010.36-10t3.6-33.6-34.25-3.54.25-3.54.25-3.54.25-3.54.25-3.54.25-3.54.25-3.54.25-3.54.75-44.75-44.75-4c1.51.51.51.51.51.51.51.51.51.51.51.51.5c10.50.50.50.50.50.51111111dM76M80M85M90M95M100M105M110M115M120M125M130M140dk110115120125130135140150155160165170180d198103108112117122127135140145150155165m15151518181818182222222226n10.36-1010.36-1010.36-1012.43-1212.43-1212.43-1212.43-1214.43-1414.43-1414.43-1414.43-1414.43-1414.43-14t4.75-44.75-44.75-45.75-55.75-55.75-55.75-56.75-66.75-66.75-66.75-66.75-66.75-6c1.51.51.51.51.51.51.51.51.51.51.51.51.5c11111111111111  Packing way: 25kg/carton, 1.5tons-2.5tons / pallet ; or as requested by buyer.If you want know more information, pls contact with us.                                     P.S.:  Please contact us to re-quote the exact price before placing an order, due to material price is unstable.Detailed Photos Picture of mass producution after CNC  Our Factory Introduction                                    WHO WE ARE                                    With over 35 years of experience,Tagong is the expert in the manufacturing standard fasteners and special fasteners.                                    Our passion for excellence has driven us to become a globe supplier.Our products have been export to Europe,                                    Australia,North America and South Asia.Well received by customer.                                    Established in 1985,our 60,000 square meters state-of-the-art manufacturing facility founded in Jinjiang City has a large                                               capacity to produce specialty fasteners to our customer's unique specifications,and drawings.We have and integrated                                    process of hot forging.It introduced advanced producing and inspection equipments .                                    Certificated with ISO9001/2015, GB/T19001-2016,and SGS certificate test.                                    Development History                                     Production Workshop  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1