din440 flat washer 1.material:metal 2.standard size 3.place of origin:china 4.MOQ:100 pcs din440 flat washer1.Grade: 4.8, A2, A42.Size: M3-M523.Finish:plain, zinc plated, hot dip galvanized, dacroment4.Material:Carbon steel, stainless steel

  5.Packing: Standard export packing or According to customer's requirement

1)flat Washersunit:mm

d1	1.7	1.8	2.2	2.5	2.7	2.8	3.2	3.7	4.3	5.3	6.4	7.4	8.4	10.5	13	15	17	19	21	23
d2	4	4.5	5	6	6	7	7	8	9	10	12	14	16	20	24	28	30	34	37	39
s	0.3	0.3	0.3	0.5	0.5	0.5	0.5	0.5	0.8	1	1.6	1.6	1.6	2	2.5	2.5	3	3	3	3

2)ASTM FLAT Washers

Thread size(mm)	40912	41045	40976	40910	41037	40972	41098	1	40916	40912
d1	9/32	11/32	13/32	17/32	41229	13/16	15/16	1.125	1.25	1.375
d2	41037	41229	13/16	1.0625	1.3125	1.46875	1.75	2	2.25	2.5
s	0.051	0.051	0.051	0.097	0.122	0.122	0.136	0.136	0.136	0.136

din440 flat washer