Filter results

Country

This product is regulated by the following standards:

DIN 432 (Equivalent standard: UNI 6599) UNI 6599

Technical data

DIN 432
UNI 6599

Standard DIN 432

Equivalent standards:

UNI 6599

External tab washers

This standard DIN 432 contains requirements on washers with external tab (Earlier called securety washers with nose) that are used in screw connections. They are intended to prevent a loosening of the connection. The effectiveness of the disk depends on the particular given design conditions and of the loading of the screw connection.

Dimensions in mm - source DIN 432
Publication date: 11/1983 - Supersedes DIN 432: 07/1974
d thread size	d1	d2	d3	f	g	h	s	Approximate weight, in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 3	3.2	12	8	2.5	4.5	2	0.4	0.33
M 3.5	3.7	12	8	2.5	4.5	2	0.4	0.32
M 4	4.3	14	10	2.5	5.5	2	0.4	0.44
M 5	5.3	17	12	3.5	7	2.5	0.75	1.2
M 6	6.4	19	14	3.5	7.5	3	0.75	1.48
M 7	7.4	19	14	3.5	7.5	3	0.75	1.42
M 8	8.4	22	16	3.5	8.5	4	1	2.54
M 10	10.5	26	20	4.5	10	4	1	3.49
M 12	13	30	24	4.5	12	4.5	1.2	5.48
M 14	15	33	27	4.5	13	4.5	1.2	6.38
M 16	17	36	30	5.5	15	4.5	1.2	7.45
M 18	19	40	34	6.5	18	4.5	1.2	9.15
M 20	21	42	36	6.5	18	4.5	1.6	13.1
M 22	23	50	43	7.5	20	6.5	1.6	19.4
M 24	25	50	43	7.5	21	6.5	1.6	18.5
M 27	28	58	50	8.5	23	9.5	1.6	24.8
M 30	31	63	55	8.5	25	9.5	1.6	29.8
M 33	34	68	60	9.5	28	9.5	1.6	34.2
M 36	37	75	67	11	31	9.5	2	52.5
M 39	40	82	74	11	33	11	2	63.3
M 42	43	88	80	11	36	11	2	72.5
M 45	46	95	85	13	38	12	2	85.3
M 48	50	100	90	13	40	13	2	93
M 52	54	105	95	13	42	13	2	100
M 56	58	112	102	16	45	14	2.5	141
M 60	62	118	108	16	48	13.5	2.5	155
M 64	66	125	115	18	52	13.5	2.5	174
M 68	70	132	122	18	55	14	2.5	192
M 72	74	138	128	18	58	14	2.5	209
M 76	78	145	135	21	60	14	2.5	230
M 80	82	150	140	21	62	16	2.5	242
M 90	93	165	155	23	70	15.5	2.5	287
M 100	104	185	175	23	80	15.5	2.5	370

Standard UNI 6599

Washers with external tab

External tab washers

Dimensions in mm - source DIN 432
Publication date: 11/1983 - Supersedes DIN 432: 07/1974
d thread size	d1	d2	d3	f	g	h	s	Approximate weight, in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 3	3.2	12	8	2.5	4.5	2	0.4	0.33
M 3.5	3.7	12	8	2.5	4.5	2	0.4	0.32
M 4	4.3	14	10	2.5	5.5	2	0.4	0.44
M 5	5.3	17	12	3.5	7	2.5	0.75	1.2
M 6	6.4	19	14	3.5	7.5	3	0.75	1.48
M 7	7.4	19	14	3.5	7.5	3	0.75	1.42
M 8	8.4	22	16	3.5	8.5	4	1	2.54
M 10	10.5	26	20	4.5	10	4	1	3.49
M 12	13	30	24	4.5	12	4.5	1.2	5.48
M 14	15	33	27	4.5	13	4.5	1.2	6.38
M 16	17	36	30	5.5	15	4.5	1.2	7.45
M 18	19	40	34	6.5	18	4.5	1.2	9.15
M 20	21	42	36	6.5	18	4.5	1.6	13.1
M 22	23	50	43	7.5	20	6.5	1.6	19.4
M 24	25	50	43	7.5	21	6.5	1.6	18.5
M 27	28	58	50	8.5	23	9.5	1.6	24.8
M 30	31	63	55	8.5	25	9.5	1.6	29.8
M 33	34	68	60	9.5	28	9.5	1.6	34.2
M 36	37	75	67	11	31	9.5	2	52.5
M 39	40	82	74	11	33	11	2	63.3
M 42	43	88	80	11	36	11	2	72.5
M 45	46	95	85	13	38	12	2	85.3
M 48	50	100	90	13	40	13	2	93
M 52	54	105	95	13	42	13	2	100
M 56	58	112	102	16	45	14	2.5	141
M 60	62	118	108	16	48	13.5	2.5	155
M 64	66	125	115	18	52	13.5	2.5	174
M 68	70	132	122	18	55	14	2.5	192
M 72	74	138	128	18	58	14	2.5	209
M 76	78	145	135	21	60	14	2.5	230
M 80	82	150	140	21	62	16	2.5	242
M 90	93	165	155	23	70	15.5	2.5	287
M 100	104	185	175	23	80	15.5	2.5	370

Full list of Suppliers of External tab washers

India

B.S. Auto Industries

Manufacturer of washers

China

Hengshun International Trade (H.K.) Co., Ltd

Manufacturer of lock washers, flat washers, spring and tab washers

France

Impérator Industries

Manufacturer of special washers and stampings

Italy

PANZERI Spa

Manufacturer of washers and safety devices for fastening

The Washer Factory Ltd.

Manufacturer of special washers and stampings

Italy

Vipa S.p.a.

VIPA is a leading wholesaler of screws, nuts and bolts. The extensive stock of high-quality screws and bolts and the highly automated warehouse make VIPA the ideal supplier of screws, nuts and bolts with metric threads, drawing parts, special screws, washers, nuts and various fastening systems.

France

Avantage Industrie

Distributor and stockist of standard and special fasteners

Italy

Berardi Bullonerie S.r.l.

Thanks to the wide range of products, to the punctuality and timeliness in responding to the customers’ requests, the company distributes its products to different kinds of clients, set in the whole national territory and specialized in different fields.

Italy

FA.BE.RO (S.N.C.)

Manufacturer of standard and special washers

Flat Washer Solutions

Manufacturer of standard and special washers in different materials, with internal diameter from 2.5 up to 80mm.

Germany

Fleckner Josef GmbH & Co.KG Stanz- und Schweißtechnik

Manufacturer of security washers, stamping parts and protection caps

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.

Afghanistan