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This product is regulated by the following standards:

DIN 6902 DIN EN ISO 10673 (Equivalent standards: ISO 10673, UNI EN ISO 10673)

Technical data

DIN 6902
DIN EN ISO 10673

Standard DIN 6902

Washers for screw and washer assemblies

Dimensions in mm - source DIN 6902 Publication date: 12/1990
thread size	d1 min=nom	d1 max	d2 form A		d2 form B		d2 form C		h nom form A	h nom form B	h nom form C	≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
thread size	d1 min=nom	d1 max	max=nom	min	max=nom	min	max=nom	min	h nom form A	h nom form B	h nom form C	form A	form B	form C
M 2.5	2.25	2.35	6	5.82	8	7.78	5	4.82	0.6	0.8	0.6	0.11	0.29	0.07
M 3	2.75	2.85	7	6.78	9	8.78	6	5.82	0.6	0.8	0.6	0.15	0.36	0.11
M 3.5	3.2	3.32	8	7.78	11	10.73	7	6.78	0.8	0.8	0.8	0.27	0.55	0.19
M 4	3.6	3.72	9	8.78	12	11.73	8	7.78	0.8	1	0.8	0.34	0.81	0.25
M 5	4.55	4.67	10	9.78	15	14.73	9	8.78	1	1.6	1	0.49	2.01	0.37
M 6	5.5	5.62	12	11.73	18	17.73	11	10.73	1.6	1.6	1.6	1.12	2.9	0.89
M 8	7.4	7.55	16	15.73	24	23.67	15	14.73	2	2	2	2.48	6.43	2.1
M 10	9.3	9.52	20	19.67	30	29.67	18	17.73	2.5	2.5	2.5	4.83	12.54	3.66
M 12	11	11.27	24	23.67	37	36.61	20	19.67	3	3	3	8.41	23.08	5.16

Standard DIN EN ISO 10673

Equivalent standards:

ISO 10673
UNI EN ISO 10673

This standard (DIN EN ISO 10673) specifies the characteristics of plain washers in steel, small, normal and large series, product grade A for screws and washers assemblies according to DIN EN ISO 10644.

Dimensions in mm - source DIN 10673 Publication date: 10/2009
thread size	d1 min=nom	d1 max	d2 form N		d2 form L		d2 form S		h nom form N	h nom form L	h nom form S
thread size	d1 min=nom	d1 max	max=nom	min	max=nom	min	max=nom	min	h nom form N	h nom form L	h nom form S
M2	1.75	1.85	5	4.7	6	5.7	4.5	4.2	0.6	0.6	0.6
M 2.5	2.25	2.35	6	5.7	8	7.64	5	4.7	0.6	0.6	0.6
M 3	2.75	2.85	7	6.64	9	8.64	6	5.7	0.6	0.8	0.6
M 3.5	3.2	3.32	8	7.64	11	10.57	7	6.64	0.8	0.8	0.8
M 4	3.6	3.72	9	8.64	12	11.57	8	7.64	0.8	1	0.8
M 5	4.55	4.67	10	9.64	15	14.57	9	8.64	1	1	1
M 6	5.5	5.62	12	11.57	18	17.57	11	10.57	1.6	1.6	1.6
M 8	7.4	7.55	16	15.57	24	23.48	15	14.57	1.6	2	1.6
M 10	9.3	9.52	20	19.48	30	29.48	18	17.57	2	2.5	2
M 12	11	11.27	24	23.48	37	36.38	20	19.48	2.5	3	2

Plain washers for screw and washer assemblies, small, normal, large series

Dimensions in mm - source Din 10673 2009
thread size	d1 min=nom	d1 max	d2 form N		d2 form L		d2 form S		h nom form N	h nom form L	h nom form S
thread size	d1 min=nom	d1 max	max=nom	min	max=nom	min	max=nom	min	h nom form N	h nom form L	h nom form S
M2	1.75	1.85	5	4.7	6	5.7	4.5	4.2	0.6	0.6	0.6
M 2.5	2.25	2.35	6	5.7	8	7.64	5	4.7	0.6	0.6	0.6
M 3	2.75	2.85	7	6.64	9	8.64	6	5.7	0.6	0.8	0.6
M 3.5	3.2	3.32	8	7.64	11	10.57	7	6.64	0.8	0.8	0.8
M 4	3.6	3.72	9	8.64	12	11.57	8	7.64	0.8	1	0.8
M 5	4.55	4.67	10	9.64	15	14.57	9	8.64	1	1	1
M 6	5.5	5.62	12	11.57	18	17.57	11	10.57	1.6	1.6	1.6
M 8	7.4	7.55	16	15.57	24	23.48	15	14.57	1.6	2	1.6
M 10	9.3	9.52	20	19.48	30	29.48	18	17.57	2	2.5	2
M 12	11	11.27	24	23.48	37	36.38	20	19.48	2.5	3	2

Full list of Suppliers of Plain washers for screw and washer assemblies, small, normal, large series

China

Beijing KOJO Technology Co.,Ltd.

Founded in 2001, KOJO Fastening is a manufacturer and supplier specializing in screw fasteners and precision CNC machined parts.

We export screws, nuts, precision turned parts, and other products to customers worldwide. The KOJO Fastening team, with deep industry expertise, advanced processing equipment, technological refinement, a pursuit of excellent quality, and a customer-first vision, has made us the preferred supplier for an increasing number of international clients.

Italy

Filtomatic Fasteners Srl

Leading manufacturer of stainless steel washers and compensation rings for ball bearings. Standard and special parts.

Germany

Magro Verbindungselemente

MAGRO combines the highest standards for special parts and assemblies upon customer’s drawing. Our portfolio focuses on CNC machining, stamping and forming technology.

Thanks to optimised technologies and material selection, we are able to reduce our procurement costs while maintaining high quality standards, in order to increase your purchasing power.

Taiwan

Durabltec Material Technology Co.Ltd

Manufacturer of special screws

Diameters : inch #1~5/8' / Metric M2~M16

Lengths : Inch 1/4' ~ 15' / Metric 5mm~400mm

Italy

GANDINI Spa

Distributor of retaining rings, Spiral retaining rings, wave springs, Disc springs, Washers, Elastic pins, Pins, Keys, Ground flat/bar stocks, Locking nuts, washers, Miniplast plastic parts, Metallic screws, nuts, bolts.

Germany

Gebr. Großheim OHG

Manufacturer of washers and high quality safety shims. All materials: aluminium, bronze, iron and steel, stainless steel (A2, A4), copper, brass etc.

France

GRIS DÉCOUPAGE

Manufacturer of flat, conical and toothed Washers

Germany

PÜHL Stanztechnik

Family-owned and managed in fourth generation, we are a leading European manufacturer of steel washers according to international standards and special stamped parts for mechanical connections.

Our customers are well-known fastener wholesalers and end users in the sectors of wind energy, steel construction, traffic engineering, railway engineering, agricultural machines and the automotive supplier industry.

Germany

The portal for fasteners and fixing elements

Suppliers of Plain washers for screw and washer assemblies, small, normal, large series

Technical data

Standard DIN 6902

Standard DIN EN ISO 10673

Details

Beijing KOJO Technology Co.,Ltd.

Filtomatic Fasteners Srl

Magro Verbindungselemente

Durabltec Material Technology Co.Ltd

GANDINI Spa

Gebr. Großheim OHG

GRIS DÉCOUPAGE

PÜHL Stanztechnik

R + FK Schulte KG

S.C.A.I. Stampaggio S.r.l.

Walter Lumberg GmbH & Co. KG

Washers For Africa

ZMT Metal