External tab washers, grade A

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.

India

Dimensions in mm - source UNI 6599 Publication date: 12-1969
d thread size	d1	d2	f	g	h	s	Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 3	3.2	11	2.5	4.5	2.5	0.3	0.205
M 4	4.3	14	2.5	5.5	2.5	0.3	0.328
M 5	5.3	17	3.5	7	3	0.4	0.645
M 6	6.4	18	3.5	7	3.5	0.5	0.872
M 7	7.4	19	3.5	7.5	3.5	0.5	0.944
M 8	8.4	23	3.5	9	4	0.5	1.41
M 10	10.5	26	4.5	10	4.5	0.5	1.74
M 12	13	29	4.5	10.5	6	1	4.14
M 14	15	33	4.5	12.5	6	1	5.33
M 16	17	40	5.5	15	7	1	8.08
M 18	19	40	6	15	7	1	7.64
M 20	21	45	6	17.5	7	1	9.77
M 22	23	50	7	20	7	1	12.2
M 24	25	50	7	20	7	1	11.6
M 27	28	57	9	22.5	9	1.6	24.3
M 30	31	63	9	25.5	9	1.6	29.7
M 33	34	68	9	28	9	1.6	34.2
M 36	37	75	11	31	9.5	1.6	42
M 39	40	82	11	33	11	1.6	50.5
M 42	43	89	11	36	11.5	1.6	59.9
M 45	46	95	13	38	12.5	1.6	68.2
M 48	50	102	13	41	13	1.6	78
M 52	54	107	13	43	14	2	105
M 56	58	112	16	45	14.5	2	113
M 60	62	119	16	48	15.5	2	127
M 64	66	125	16	51	15.5	2	139
M 68	70	131	16	54	15.5	2	151
M 72	74	138	16	57	17	2	167
M 76	78	144	18	60	17	2	181
M 80	82	150	18	63	17	2	205

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Suppliers of External tab washers, grade A

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Vipa S.p.a.

Avantage Industrie

Berardi Bullonerie S.r.l.

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