We specialize in producing all kinds of fasteners, mainly including Washers, Retaining Rings and others fasteners. circlips for shafts,circlips for hole, wave washers,teeth washer,spring washers.

cross recess head screws, hex cross recess head screws, square head bolts, cross recess head screws with BS standard, stud bolts with BS standard, square head bolts used in electromotors of air-conditioners, three-wave washers used in electromotors, E-rings, axle clamps used in electromotors, circlip for shaft, circlip for hole, rivets, all kinds of standard and non-standard fasteners, over 200 specifications and kinds, used in plane, ship & boat, automobile, machinery, construction & decoration, container, household electric appliance, bag & case, electric appliance.

Main products: 1. Washers: lock washers internal teeth, lock washers external teeth, knurling washers, disc springs, grounding gaskets, curved washers, wave washers, tab washers, etc. 2. Circlips: circlips for hole, circlips for shaft, E rings, etc.

1.PEM standard self-clinching fasteners Self-clinching nuts, Self-clinching standoffs, Self-clinching studs and pins, Self-clinching standoffs and studs, pilot pins, keyhole standoffs, spring-top standoffs, panel fastener assemblies 2.DIN standard, ISO standard and GB/T standard A.Nuts Rivet nuts, hex nuts, lock nuts, cap nuts, square nuts, flange nuts, four-jaw nuts, K-nuts, inner and outer nuts, weld nuts, wing nuts, cage nuts B.Screws Self-tapping and self-drilling screws, machined wire, expansion screws, butterfly screws, set-up screws, combination screws, blind rivets, crown screws, knurled screws, screw bars, eyebolts, sheep eye self-tapping screws , butterfly screw, hexagon socket countersunk head screw C.Bolts Hexagon bolts, hexagonal flange bolts, hexagon socket head cap screws, semicircular head square neck bolts D.Sealing rings and gaskets Flat washers, spring washers, insulating washers, wave washers, E-rings E.Pins Elastic pins, cylindrical pins, threaded cylindrical pins, straight groove elastic cylindrical pins, rolled elastic cylindrical pins, tapered pins, groove pins, pins shaft, perforated pins, cotter pins F.Pressure riveting expansion screw: core expansion, expansion bolt, expansion pull hook, plastic rubber plug expansion tube, daughter rivet 3.Non-standard fasteners A.Copper fasteners: single-headed copper columns, double-headed copper columns, double-pass copper columns, hexagonal copper bolts, corn rivets, copper nuts, copper washers B.Non-standard custom series: To map custom samples 4.The tool series: rivet gun, riveting machine, hex wrench, tool set, drill bit 5.The simulation of thatch and other building materials series: PVC simulation thatch, PE simulation thatch, aluminum simulation thatch

Supply all kinds of standard and non-standard washer,like Flat washer,Spring washer, Square washer, ,hardened steelwasher and Cup washer, Wave washer etc. The materials are like Carbon steel, Stainless steel, Copper, Aluminium, Electrical insulating fibre, EPDM etc. 2.Supply flat washer: DIN125,DIN126,DIN433,DIN440,DIN1052,DIN1440,DIN1441,DIN6340,DIN6916,DIN7349,DIN7989,DIN9021,BS3410,BS4320,NFE25513,NFE25514,F436, ANSI/ASME B18,USS,SAE,FENDER,Sesco washer etc. 3.Supply spring washer: DIN127,DIN128,DIN137A,DIN137B,DIN6796,DIN7980,DIN9250,NFE25511,NFE25515,ASME18-21-1,BS1802,JISB1251 etc. 4.Supply square and taper washer: DIN434,DIN435,DIN436,DIN798,DIN6917,DIN6918 etc 5.Model NU:DIN,USS,SAE,BS,AS,NFE and non standard

circlips for shaft/hole; open grip rings; steel wire circlips; round wire snap rings; spring washers with internal teeth, external teeth, curve, wave; external tap round nuts, external tongue round nuts with long tap, external tongue round nuts with long tap and wing, etc; motorcycle accessories, auto transmission shaft rings, non-standard fasteners.

Shuangyin Hardware main products: hex flange bolt, hex flange nut, hex bolt, clamp, lock washer, plate nut, clip, bearing clip, wave washer, snap spring, tapping clip, flat washer, spring washer etc.

1. Our company supply all kinds of standard and non-standard washer, like Flat washer, Spring washer, square washer, high-strength steel washer and Cup washer, wave washer etc. The materials are including carbon steel, stainless steel, copper, aluminium , electrical insulating fibre , EPDM etc. 2. Supply flat washer: DIN125, DIN126, DIN433, DIN440, DIN1052, DIN1440, DIN1441, DIN6340, DIN6916, DIN7349, DIN7989, DIN9021, BS3410, BS4320, NFE25513, NFE25514, F436, ANSI/ASME B18, USS, SAE, FENDER, Sesco washer etc. 3. Supply spring washer: DIN127, DIN128, DIN137A, DIN137B, DIN6796, DIN7980, DIN9250, NFE25511, NFE25515, ASME18-21-1, BS1802, JISB1251 etc. 4. Supply square and taper washer: DIN434, DIN435, DIN436, DIN798, DIN6917, DIN6918 etc

Bolts: hex bolts, hex flange bolts, socket cap screws, eye bolts, expansion bolts, socket countersunk screws, socket pan screws, carriage bolts, stud bolts, wing screws, eyelet bolts, anchor bolts, U bolts, square bolts, etc. Nuts: rivet nuts, eye nuts, hex nuts, hex thick nuts, hex thin nuts, nylon lock nuts, metal lock nuts, hex flange nuts, wing nuts, cap nuts, round nuts, square nuts, square weld nuts, hex weld nuts, hex slotted nuts, pipe nuts, etc. Washers: flat washers, wave washers, saddle washers, spring washers, split washer, circlip for shaft, circlip for hole, internal-external tooth lock washers, square washers, etc. Screws: pan head tapping screws, countersunk head tapping screws, mushroom head tapping screws, pan head machine screws, countersunk head machine screws, drilling screws, hex wood screws, tri-lobular tapping screws, all kinds of SEM screws Other: weld screws, pulling rivets, rods, chemical anchor bolts, Heli-Coil inserts, hose clamp, split pins, lock screws, spring-type straight pins, straight pins, taper pins, flat round head rivets, flat rivets, countersunk head rivets, round head rivets, hex socket set screws with flat point, hex socket set screws with cone point, hex socket set screws with cup point, turnbuckles, non-standard fasteners Other material series: nylok screws, titanium screws, copper screws, electronic screws, green screws, nylon screws, etc.

Wheel bolts, nuts, lock nuts, weld nut, spring nut, washer, copper fasteners, stainless steel fasteners and other automotive fasteners.