speciality produces GB 7246 - 87 of washer of spring of wave form , shape spring washer of saddle: GB 7245 - 87, spring washer of shape of duplicating each other: One 7244th GB, make up and spend playing the cushion: 9072.26 GB, products finish marking American to finish making Great Britain finish making Germany finish making and wait for standard produce specification dia. 2 according to country --dia. 30, material : 65 Ms, 70 steel, stainless steel, The phosphorus copper of the purlin. 4. 8,6 mechanical performance grade. 8,8.8,10.9,12.9 from machineries

Our products range:bolts, nuts, wood screws, machine screws, self-tapping screws, spring washers, flat washers, anchors etc. according to DIN, ANSI, BS and JIS standard. Made from carbon steel at Grado 4.8, 6.8, 8.8, 10.9, 12.9 with ACABADO of plain, black, zinc(bright/yellow), brass, nickel, chrome, etc. hex bolt, self-drilling screw

1.Bolt:Carriage bolt,Hex bolt, Socket head bolt,Flange bolt； 2.Threaded Rod:Full threaded rod,Stud bolt, Double end stud bolt; 3.Nut:Hex nut,Flange nut,Heavy hex nut,Square nut, Tee nut, Wing nut; 4.Screw:Self-drilling screw,Self-tapping screw, Wooden screw, Machine screw; 5.Washer:Flat washer, Spring washer, Square washer, Lock washer; 6.Machining part:Castings,Forgings,Turning,Milling,Stamping Die Casting Parts； 7.Customized products based on drawings.

DIN6797, DIN6798, DIN137, DIN9250,DIN6796,DIN7967, DIN432,NFE25-511,DIN2093,flange, cold stamping,stainless steel stamping,car assessories stamping, and rabidity mould stamping, metal stamping,nonstandard stamping

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.

lock washer ,circlips for holes,circlips shaft,and so on.

Hexagon Head Screws Hexagon Flange Bolts CONICAL NUTS Kep Nut DIN928 SQUARE WELD NUT DIN6923 Hexagon Nut With Flange DIN557 PRODUCT GRADE C SQUARE NUTDIN981 Round Nut DIN439 HEXAGON THIN NUT DIN315 WING NUT DIN1587 HEXAGON DOMED CAP NUT DIN6926 REVAILING TORQUE TYPE HEXAGON NUT WITH FLANGE DIN6927 PREAILING TORQUE TYPE HEXAGON ALL-METAL NUT WITH FLANGE DIN980 ALL METAL PREVAILING TORQUE NUT DIN982 SELF-LOCKING HEXAGON NUTDIN985 SELF-LOCKING HEXAGON NUT DIN988 SHIM RINGS DIN9021 Flat Washers DIN7980 SINGLE COIL SPRING LOCK WASHER (FOR SCREWS WITH CYLINDRICAL HEAD) DIN7349 WASHER DIN6798V SERRATED COUNTERSUNK LOCK WASHER EXTERNAL GEAR DIN6798J TOOTHED LOCK WASHERSDIN137B AVED SPRING WASHER B DIN137ADIN125B PRODUCT GRADE DIN125B PRODUCT GRADE A WASHERSA WASHERS DIN934 HEXAGON NUT DIN915 HEXAGON SOCKET SET SCREW WITH DOG POINT DIN916K HEXAGON SOCKET KNURLED SET SCREW WITH CUP POINT DIN916 HEXAGON SOCKET SET SCREW WITH CUP POINT ISO7379 HEXAGON SOCKET HEAD SHOULDER SCREW DIN6912 HEXAGON SOCKET THIN HEAD CAP SCREW WITH PILOT RECESS FOR

Fasteners:structural bolts,flange bolts,hex bolts,stud bolts,threaded rods,hex nuts,flange nuts,castle nuts,flat washers,lock washers,etc.

produce Circlips for hole, axial spring collar ,Tab washer,split damping ring , tab washer with long tab,tab washer with long tab and wing,Internal teeth lock washers,Lock washers external teeth,Serrated lock washers with external teeth,Serrated lock washers internal teeth,Square and rectangular keys,Wave spring washers ,saucer washer

railway fasteners、 railway spikes、railway bolts、standard component、 fasteners、fish plate、railway tie plate、rail brace、weld shoulder、gage tie bar、switch bolts、hexagon spike、screw spikes、square head screw spikes、drive spikes、track bolts、square head timber screws、dog spikes、US system point end screw with pich thread 、elestic clips、spring washers、hexagon bolts、foot bolts、two-end bolts、torsion shear bolts、knurled thmb thumb bolts、guardrail bolt、slotted countersunk head bolts、flange bolts、studs、hexagon socke bolts、hake bolt、mushroom head bolts、hexagon bolts with collar、T-bolts、eyebolts、square nuts、slotted nuts、hexagon nuts、flange nut、split pins、nylon anti-loosen nuts、flat washers、kinds of nuts、hook bolts、square bolts、rubbor plate、rod

DIN2093, GBT1972 disc springs, DIN6796 Disc washer, NFE25511 contact washer, SCHNORR safety washer, NORDLOCK washer ,high strength flat washers and provide mechanical zinc plating;