... spring washer, steel spring washer, wave spring washer DIN127,ASME B18.21 M3-M42,1/4"-1-1/2" Finish: plain,black etc spring washer, steel spring ... washer, wave spring washer Certificate:ISO9001:2000Product name:flat washerStandard: ... ,5,6,8Material: 1. Low Carbon Steel: C1008/C1010/C10152. Middel Carbon Steel: C1030/1035/1040/1045Size:M6-M42, ...