Tapping Drill & Clearance Hole Sizes

A high-quality fastener for businesses to maintain operation efficiency

Tailles recommandées des forets à tarauder et des trous de dégagement

Optimas are a full-service supply chain and fabrication solutions provider. Before you design your next product or make updates to an existing product, consider partnering with Optimas to take advantage of our many capabilities.

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Utilisez ces tableaux pour calculer la taille appropriée du foret et du trou de dégagement pour les filetages métriques ISO grossiers et fins.

Toutes les dimensions sont en millimètres (mm).

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			Taille du trou de dégagement
Taille nominale	Pas de filetage	Taille du foret à tarauder	Ajustement serré	Coupe moyenne	Ajustement gratuit
M1	0.25	0.75	-	1.2	-
M1.1	0.25	0.85	-	-	-
M1.2	0.25	0.95	-	1.4	-
M1.4	0.3	1.1	-	1.6	-
M1.6	0.35	1.25	1.7	1.8	2
M1.8	0.35	1.45	-	2	-
M2	0.4	1.6	2.2	2.4	2.6
M2.2	0.45	1.75	-	2.8	-
M2.5	0.45	2.05	2.7	2.9	3.1
M3	0.5	2.5	3.2	3.4	3.6
M3.5	0.6	2.9	-	3.9	-
M4	0.7	3.3	4.3	4.5	4.8
M4.5	0.75	3.75	-	-	-
M5	0.8	4.2	5.3	5.5	5.8
M6	1	5	6.4	6.6	7
M7	1	6	-	-	-
M8	1.25	6.75	8.4	9	10
M9	1.25	7.75	-	-	-
M10	1.5	8.5	10.5	11	12
M11	1.5	9.5	-	-	-
M12	1.75	10.2	13	14	15
M14	2	12	15	16	17
M16	2	14	17	18	19
M18	2.5	15.5	19	20	21
M20	2.5	17.5	21	22	24
M22	2.5	19.5	23	24	26
M24	3	21	25	26	28
M27	3	24	28	30	32
M30	3.5	26.5	31	33	35
M33	3.5	29.5	34	36	38
M36	4	32	37	39	42
M39	4	35	40	42	45
M42	4.5	37.5	43	45	48
M45	4.5	40.5	46	48	52
M48	5	43	50	52	56
M52	5	47	54	56	62
M56	5.5	50.5	-	-	-
M60	5.5	54.5	-	-	-
M64	6	58	-	-	-
M68	6	62	-	-	-
M72	6	66	-	-	-
M76	6	70	-	-	-

Fil fin

Taille	Pas	Percer
M2	0.25	1.75
M2.2	0.25	1.95
M2.3	0.25	2.05
M2.5	0.35	2.15
M2.6	0.35	2.25
M3	0.35	2.65
M3.5	0.35	3.15
M4	0.35	3.65
M4	0.5	3.5
M5	0.35	4.65
M5	0.5	4.5
M5	0.75	4.25
M5.5	0.5	5
M6	0.5	5.5
M6	0.75	5.25
M7	0.75	6.25
M8	0.5	7.5
M8	0.75	7.25
M8	1	7
M9	0.75	8.25
M9	1	8
M10	0.5	9.5
M10	0.75	9.25
M10	1	9
M10	1.25	8.75
M11	0.75	10.25
M11	1	10
M11	1.25	9.75
M12	0.5	11.5
M12	0.75	11.25
M12	1	11
M12	1.25	10.75
M12	1.5	10.5
M14	1	13
M14	1.25	12.75
M14	1.5	12.5
M15	0.75	14.25
M15	1	14
M15	1.5	13.5
M16	0.5	15.5
M16	0.75	15.25
M16	1	15
M16	1.25	14.75
M16	1.5	14.5
M17	1	16
M17	1.5	15.5
M18	0.75	17.25
M18	1	17
M18	1.25	16.75
M18	1.5	16.5
M18	2	16
M19	1	18
M20	1.5	18.5
M20	2	18
M22	1	21
M22	1.5	20.5
M22	2	20
M24	1	23
M24	1.5	22.5
M24	2	22
M25	1	24
M25	1.5	23.5
M25	2	23
M27	1	26
M27	1.5	25.5
M27	2	25
M28	1	27
M28	1.5	26.5
M28	2	26
M30	1	29
M30	1.5	28.5
M30	2	28
M30	3	27
M32	1	31
M32	1.5	30.5
M32	2	30
M33	1.5	31.5
M33	2	31
M33	3	30
M35	1.5	33.5
M35	2	33
M35	3	32
M36	1	35
M36	1.5	34.4
M36	2	34
M36	3	33
M38	1	37
M38	1.5	36.5
M38	2	36
M39	1.5	37.5
M39	2	37
M39	3	36
M40	1	39
M40	1.5	38.5
M40	3	37
M42	1.5	40.5
M42	2	40
M42	3	39
M42	4	38
M45	1.5	43.5
M45	2	43
M45	3	42
M48	1.5	46.5
M48	2	46
M48	3	45
M48	4	44
M50	1.5	48.5
M50	2	48
M50	3	47
M52	1.5	50.5
M52	2	50
M52	3	49
M52	4	48
M56	2	54
M56	4	52

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Tailles recommandées des forets à tarauder et des trous de dégagement

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Fil grossier

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