1)Standard: DIN, IFI, JIS, ISO,GB,ANSI 2)Washers type:flat ,spring ,lock,star 3)Accept customization

Specifications of Washers: 1 Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME,Non-Standard2 Size: M3–M763 Material:   1) Carbon Steel  2) Alloy Steel  3) Stainless Steel  4) Brass  5) Aluminum      etc.4 Finish:  1) Zinc Clear  2) Zinc Yellow  3) Black  4) Nickel-plating  5) Tin-plating  6) Chrome- plating  7) Dacromet  8) Mechanical Galvanizing  9) Hot-dip Galvanizing5 Type  1) Spring washers  2) Flat washers(plain washer,IFI,ASTM)  3) Lock washers  4) Star washers  5) Square washers  6) According to your request

Our popular products of Washers: 1)Spring Washers

Nominal size(mm)	3	3.5	4	5	6	7	8	10	12	14	16	18	20	22	24	27	30
d1	3.4	3.9	4.4	5.4	6.5	7.5	8.5	10.7	12.7	14.7	17	19	21.2	23.5	25.5	28.5	31.7
d2	6.2	6.7	7.6	9.2	11.8	12.8	14.8	18.1	21.1	24.1	27.4	29.4	33.6	35.9	40	43	48.2
h	1.9	1.9	2.1	2.8	3.8	3.8	4.7	5.2	5.9	7.1	8.3	8.3	9.4	9.4	11.8	11.8	14.2
s	0.8	0.8	0.9	1.2	1.6	1.6	2	2.2	2.5	3	3.5	3.5	4	4	5	5	6

2)Square Washersunit:mm

For screws

M8

M10

M12

M16

M20

M22

M24

M27

3)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

4)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

5)IFI Washers 

Thread size(inch)	6	8	10	40984	12	40912	41045	40976	41106	40910	41168	41037
d1	0.156	0.188	0.219	0.25	0.25	0.281	0.344	0.406	0.469	0.531	0.594	0.656
d2	0.375	0.438	0.5	0.562	0.562	0.625	0.688	0.812	0.922	1.062	1.156	1.312
s	0.049	0.049	0.049	0.049	0.065	0.065	0.065	0.065	0.065	0.095	0.095	0.095

Thread size(inch)	40972	41098	1	1.125	1.25	1.375	1.5	1.625	1.75	1.875	2	2.25
d1	0.812	0.938	1.062	1.25	1.375	1.5	1.625	1.75	1.875	2	2.125	2.375
d2	1.469	1.75	2	2.25	2.5	2.75	3	3.75	4	4.25	4.5	4.75
s	0.134	0.134	0.134	0.134	0.165	0.165	0.165	0.18	0.18	0.18	0.18	0.22

Features of Washers: 1) Surface Condition: remove all burs and sharp edges.2) Packing: Carton, Box, Bag, Pallet or according to your request.3) For non-standard parts, samples or drawings are avaliable for us.4) Working Process Include: cold punching, machining, CNC machine.

Applications of Washers: 1) Agri machines2) Automobiles3) Earth-movers4) Railways5) Trailers6) Bearings7) Gear boxes8) Motors9) Textile machines10)Heavy vehicles11)Diesel sets     etc.  

Special Washers: All kinds of washers available: e.g. Spring washer, star washer, plain washer, lock washers  etc.Other special washers please send us your requirments or samples.