ISO 7092 dimensions — Plain washers, Small series

2000 edition, current · 21 sizes, M1.6 – M36 see the cross-reference →

We supply to ISO 7092. Name it on your order.

ISO 7092 dimensions

Thread size	d1Inner Diameter (mm)	d₁Inner Diameter (max) (mm)	d2Outer Diameter (mm)	d₂Outer Diameter (min) (mm)	hWasher Thickness (mm)	hThickness (max) (mm)	hThickness (min) (mm)	Clearance holefine / medium / coarse (mm)	Tap drillcoarse pitch (mm)
M1.6	1.7	1.84	3.5	3.2	0.3	0.35	0.25	1.7 / 1.8 / 2	-
M2	2.2	2.34	4.5	4.2	0.3	0.35	0.25	2.2 / 2.4 / 2.6	-
M2.5	2.7	2.84	5	4.7	0.5	0.55	0.45	2.7 / 2.9 / 3.1	-
M3	3.2	3.38	6	5.7	0.5	0.55	0.45	3.2 / 3.4 / 3.6	-
M3.5	3.7	3.88	7	6.64	0.5	0.55	0.45	3.7 / 3.9 / 4.2	-
M4	4.3	4.48	8	7.64	0.5	0.55	0.45	4.3 / 4.5 / 4.8	-
M5	5.3	5.48	9	8.64	1	1.1	0.9	5.3 / 5.5 / 5.8	-
M6	6.4	6.62	11	10.57	1.6	1.8	1.4	6.4 / 6.6 / 7	-
M8	8.4	8.62	15	14.57	1.6	1.8	1.4	8.4 / 9 / 10	-
M10	10.5	10.77	18	17.57	1.6	1.8	1.4	10.5 / 11 / 12	-
M12	13	13.27	20	19.48	2	2.2	1.8	13 / 13.5 / 14.5	-
M14	15	15.27	24	23.48	2.5	2.7	2.3	15 / 15.5 / 16.5	-
M16	17	17.27	28	27.48	2.5	2.7	2.3	17 / 17.5 / 18.5	-
M18	19	19.33	30	29.48	3	3.3	2.7	19 / 20 / 21	-
M20	21	21.33	34	33.38	3	3.3	2.7	21 / 22 / 24	-
M22	23	23.33	37	36.38	3	3.3	2.7	23 / 24 / 26	-
M24	25	25.33	39	38.38	4	4.3	3.7	25 / 26 / 28	-
M27	28	28.33	44	43.38	4	4.3	3.7	28 / 30 / 32	-
M30	31	31.39	50	49.38	4	4.3	3.7	31 / 33 / 35	-
M33	34	34.62	56	54.8	5	5.6	4.4	34 / 36 / 38	-
M36	37	37.62	60	58.8	5	5.6	4.4	37 / 39 / 42	-

21 of 21 sizes shown. Clearance holes are fine / medium / coarse to ISO 273; tap drill is for the coarse pitch.

15 diameters · weight and hole sizes live on each size page

2 materials

Material	Property class	Finish
Carbon Steel	200 HV · 300 HV	Zinc Plated · Plain
Stainless Steel	200 HV	Plain · Passivated

Standard, size, material, finish, quantity and destination are enough to begin.