1. Disc spring washer as per DIN6796. 2. Material: 60Si2MnA, 50CrVA\ SUS301, SUS304, SUS316, HP15-7Mo, 17-7pH, 30W4Cr2v, INCONEL -750, INCONEL-718, 21 CrMoV 5 7, X 22 CrMoV 12 1, X 35 CrMo 17, X 30 WCrV 5 3, A286, CuSn 8, CuBe 2, Nimonic 90. 3. Surface treatment: Phosphating, electrophoresis, oxidize Bluing, mechanical Zinc plating, Polish, original, white zinc, black, nickel, chrome 4. We can customize disc spring as per customer's requirements. 5. Annual out put: 40, 000, 000PC/year 6. Place of Origin: Yangzhou, China 7. Brand: Sunzo or OEM 8. Delivery time: 10 days 9. Heavy duty bolting are design for the connection of bolts, they are produced on standard of DIN6796, for medium or high strength bolts, screw connection. Bearing load is large and elastic recovery makes DIN 6796 series very effective. Bolt tension can withstand the relaxation produced by the following reason: Wearing, creep, relaxation, thermal expansion, contraction or compression seals. Standard wood box or carton + pallet.
