Tapping Drill & Clearance Hole Sizes

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Dimensioni consigliate della punta di maschiatura e dei fori di sicurezza

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Utilizzare queste tabelle per calcolare la dimensione rilevante della punta e del foro passante per filettature metriche ISO grosse e fini.

Tutte le dimensioni sono in millimetri (mm).

Filo grosso
Filo sottile

Filo grosso

			Dimensione del foro di sicurezza
Taglia nominale	Filo di pece	Toccando la dimensione della punta	Vestibilità ravvicinata	Vestibilità media	Vestibilità libera
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	-	-	-

Filo sottile

Misurare	Pece	Trapano
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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Dimensioni consigliate della punta di maschiatura e dei fori di sicurezza

Filo grosso

Filo sottile

Filo grosso

Filo sottile

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