Spring washers, springs, tension springs, and torsion springs.
Materials: 70#, 65M, 304, 316
Tension springs, pressure springs, torsion springs, pagoda springs, and specialty springs in diameter from 0.2mm to 10mm
Spring washers, wave spring washers GB7246-87, curved spring washers GB7245-87, heavy-duty spring washers GB7244-87, and single coil spring lock washer for assembly GB9074.26.
Standard: GB, ANSI, BS, DIN, etc. in diameter from 2 to 30 are available.
The company's main products covers more than 600 kinds of product specification, such as bolt and nut series, high strength bolt, flange bolt ,track bolt, subway segment bolt, instruction hardware and accessories, and can be made in standards of GB, DIN, BS, ANSI, JIS. The grade range including4.6 4.8，5.8， 6.8， 8.8，10.9，12.9.Our products are wildly used in Agricultural machinery, engineering machinery, automobile, subway, construction and other industries. The quality of our products has received wide acclaim in domestic and abroad, and now our output has reach 40 thousand ton annual, 50% of them are exported to Japan and Middle East Regional Area .Our.products have gain high prize from our customers for the high quality of work-product.
The standards about washers include: Not only DIN125, DIN126, DIN127,DIN128,DIN432,DIN433, DIN434, DIN435,DIN436, DIN440,DIN463,DIN471, DIN472, DIN526,DIN93, DIN933, DIN1441,DIN1478,DIN1479,DIN1480,DIN6916,DIN6797,DIN6798,DIN6904,DIN6905,DIN6907,DIN6908,DIN6916,DIN6917,DIN6918,DIN7349,DIN7989,DIN9021; NFE 25-513----NFE25-515; but also JIS, KS, BS4320, etc. And according to the customers' design to produce the special fasteners.
Our material includes normal stainless steel SS304,SS304L,SS316,SS316L,SS317L,SS321、310S、2520, super stainless steel (austenitic 904L 254SMO.4529),and Incoloy, Inconel, Monel ,Hastelloy series (B B-2 C-4 C-22 C-276), and Duplex steel series (2205（F51S31803）,2507(F53S32750))
Flat Washer: DIN 125A, DIN 9021, DIN 1052, DIN 7989, DIN 7349, etc.
Tab Washer: DIN 93, DIN 463
Spring Washer: DIN 127B, DIN 137A, DIN 137B
Conical Spring Washer: DIN 6796
Square Washer: DIN 434, DIN 435, DIN 436
Shim rings and supporting rings: DIN 988
AFNOR Washer: NF E 25-511 M, NF E 25-513, NF E 25-514
British Washer: BS 3410, BS 4320
Special washers acc. to your samples or drawings.