Tapping Drill & Clearance Hole Sizes

A high-quality fastener for businesses to maintain operation efficiency

推奨タッピングドリルとクリアランス穴のサイズ

Optimas are a full-service supply chain and 製造業 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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これらの表を使用して、ISO メートル法の粗目および細目ねじの適切なサイズのドリルビットとクリアランス穴を計算します。

すべての寸法はミリメートル (mm) 単位です。

並目ねじ
細糸

並目ねじ

			クリアランス穴サイズ
公称サイズ	ねじピッチ	タッピングドリルサイズ	ぴったりフィット	ミディアムフィット	フリーフィット
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	-	-	-

細糸

サイズ	ピッチ	ドリル
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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推奨タッピングドリルとクリアランス穴のサイズ

並目ねじ

細糸

並目ねじ

細糸

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