Zb Spring Washer

Zhengbang Industry Development Co., Ltd is specialize in supplying non-standard machinery parts, precision metal parts, CNC machining parts,special bolt, nut, pin, turned parts, hardware in steel, alloy steel, Cu, Al, super stainless steel and so on. You only need to send us your drawings or samples, please ensure that all dimensions are called out with tolerances, materials specified, any additional processes such as heat treat or plating, and quantities specified. In addition to quoting the part, we can also make suggestions on more economical buy quantities or design modifications.. Our tenet is "Quality first, Service first", as long as we can do, we will do the best. The products include: fasteners: Hex bolts, Stud bolts,hex nuts, cap nuts, lock nuts, slotted nuts, heavy nuts, long nuts, flat washers, spring washers, chains, turnbuckles, thimbles; stamping parts, folding bending parts, drawn parts; non-standard mechanical parts, turning, CNC machining and other precision metal parts; Main materials include: Ferritic Steels: ASTM 193 GRADE B5;B6;B6X;B7;B7M;B16; ASTM 194 GRADE 2H;2HM;4;7;7M; ASTM 320 GRADE L7;L7M etc. Stainless Steels: ASTM 193 B8;B8A;B8C;B8CA;B8M;B8T;B8MA;B8M2,etc. ASTM 194 GRADE8;8C;8T;8M,etc. ASTM 320 B8;B8A;B8C;B8CA;B8M;B8T;etc. ASTM A453 GRADE660A/B/C/D. AISI316TI;304L;316L;310;347;410;420;431. Special Steels: 17-4PH/1.4542/UNS S17400; 253MA/1.4835/UNS S30815; 254SMO/1.4547/UNS S31254; FERRALIUM255/UNS S32550; NITRONIC50/UNS S20910; NITRONIC60/UNS S21800; SAF2205/1.4462/UNS S31803; SAF2507/1.4410/UNS S32750; ZERON100/1.4401/UNS S32760; NIMONIC80A/2.4952/UNS N07080; NIMONIC90/2.4969/UNS N07090; NICKEL200/2.4066/UNS N02200; MONEL400/2.4360/UNS N04400 MONELK500/2.4375/UNS N05500; HASTELLOY B-3/2.4600/UNS N10675; HASTELLOY C-22/2.4602/UNS N06022; HASTELLOY C-276/2.4819/UNSN10276; HASTELLOY G-30/2.4603/UNS N06030; HASTELLOYC-4/2.4610/UNS N06455; HASTELLOY G-3/2.4619/UNS N06985; INCONEL718/2.4668/UNS N07718; INCONEL X-750/2.4669/UNS N07750; INCONEL600/2.4816/UNS N06600; INCONEL601/2.4851/UNS N06601; INCONEL625/2.4856/UNS N06625; INCOLOY725/UNS N07725; INCOLOY825/2.4858/UNS N08825; INCOLOY925/N09925; ALLOY59/2.4605/UNS N06059; Surface treatment include: Black phosphate, electrophoresis, electro-galvanized, hot galvanized, Teflon, Decromet ,Magni and so on. Zhengbang Industry is willing to work together with new and old customers at home and abroad to create brilliant future