HSS Twist Drill Bit Standard Dimensions | DIN 338, DIN 340, DIN 1897 & ANSI

Select a standard below to view its drill bit dimensions. Tables are searchable and scroll independently.

D — DiameterL1 — Overall lengthL2 — Flute length

DIN 338 — Jobber Length

207 diameter entries · All dimensions in mm

Find diameter

D (mm)	L1 · Overall (mm)	L2 · Flute (mm)
0.2	19	2.5
0.22	19	2.5
0.25	19	3
0.28	19	3
0.3	19	3
0.32	19	4
0.35	19	4
0.38	19	4
0.4	20	5
0.42	20	5
0.45	20	5
0.48	20	5
0.5	22	6
0.52	22	6
0.55	24	7
0.58	24	7
0.6	24	7
0.62	26	8
0.65	26	8
0.68	28	9
0.7	28	9
0.72	28	9
0.75	28	9
0.78	30	10
0.8	30	10
0.82	30	10
0.85	30	10
0.88	32	11
0.9	32	11
0.92	32	11
0.95	32	11
0.98	34	12
1	34	12
1.05	34	12
1.1	36	14
1.15	36	14
1.2	38	16
1.25	38	16
1.3	38	16
1.35	40	18
1.4	40	18
1.45	40	18
1.5	40	18
1.55	43	20
1.6	43	20
1.65	43	20
1.7	43	20
1.75	46	22
1.8	46	22
1.85	46	22
1.9	46	22
1.95	49	24
2	49	24
2.05	49	24
2.1	49	24
2.15	53	27
2.2	53	27
2.25	53	27
2.3	53	27
2.35	53	27
2.4	57	30
2.45	57	30
2.5	57	30
2.55	57	30
2.6	57	30
2.65	57	30
2.7	61	33
2.75	61	33
2.8	61	33
2.85	61	33
2.9	61	33
2.95	61	33
3	61	33
3.1	65	36
3.2	65	36
3.3	65	36
3.4	70	39
3.5	70	39
3.6	70	39
3.7	70	39
3.8	75	43
3.9	75	43
4	75	43
4.1	75	43
4.2	75	43
4.3	80	47
4.4	80	47
4.5	80	47
4.6	80	47
4.7	80	47
4.8	86	52
4.9	86	52
5	86	52
5.1	86	52
5.2	86	52
5.3	86	52
5.4	93	57
5.5	93	57
5.6	93	57
5.7	93	57
5.8	93	57
5.9	93	57
6	93	57
6.1	101	63
6.2	101	63
6.3	101	63
6.4	101	63
6.5	101	63
6.6	101	63
6.7	101	63
6.8	109	69
6.9	109	69
7	109	69
7.1	109	69
7.2	109	69
7.3	109	69
7.4	109	69
7.5	109	69
7.6	117	75
7.7	117	75
7.8	117	75
7.9	117	75
8	117	75
8.1	117	75
8.2	117	75
8.3	117	75
8.4	117	75
8.5	117	75
8.6	125	81
8.7	125	81
8.8	125	81
8.9	125	81
9	125	81
9.1	125	81
9.2	125	81
9.3	125	81
9.4	125	81
9.5	125	81
9.6	133	87
9.7	133	87
9.8	133	87
9.9	133	87
10	133	87
10.1	133	87
10.2	133	87
10.3	133	87
10.4	133	87
10.5	133	87
10.6	133	87
10.7	142	94
10.8	142	94
10.9	142	94
11	142	94
11.1	142	94
11.2	142	94
11.3	142	94
11.4	142	94
11.5	142	94
11.6	142	94
11.7	142	94
11.8	142	94
11.9	151	101
12	151	101
12.1	151	101
12.2	151	101
12.3	151	101
12.4	151	101
12.5	151	101
12.6	151	101
12.7	151	101
12.8	151	101
12.9	151	101
13	151	101
13.1	151	101
13.2	151	101
13.3	160	108
13.4	160	108
13.5	160	108
13.6	160	108
13.7	160	108
13.8	160	108
13.9	160	108
14	160	108
14.25	169	114
14.5	169	114
14.75	169	114
15	169	114
15.25	178	120
15.5	178	120
15.75	178	120
16	178	120
16.25	184	125
16.5	184	125
16.75	184	125
17	184	125
17.25	191	130
17.5	191	130
17.75	191	130
18	191	130
18.25	198	135
18.5	198	135
18.75	198	135
19	198	135
19.25	205	140
19.5	205	140
19.75	205	140
20	205	140

DIN 340 — Long Series

123 diameter entries · All dimensions in mm

Find diameter

D (mm)	L1 · Overall (mm)	L2 · Flute (mm)
1	56	33
1.1	60	37
1.2	65	41
1.3	65	41
1.4	70	45
1.5	70	45
1.6	76	50
1.7	76	50
1.8	80	53
1.9	80	53
2	85	56
2.1	85	56
2.2	90	56
2.3	90	56
2.4	95	62
2.5	95	62
2.6	95	62
2.7	100	66
2.8	100	66
2.9	100	66
3	100	66
3.1	106	69
3.2	106	69
3.3	106	69
3.4	112	73
3.5	112	73
3.6	112	73
3.7	112	73
3.8	119	78
3.9	119	78
4	119	78
4.1	119	78
4.2	119	78
4.3	1260	82
4.4	126	82
4.5	1261	82
4.6	126	82
4.7	126	82
4.8	132	87
4.9	132	87
5	132	87
5.1	132	87
5.2	132	87
5.3	132	87
5.4	139	91
5.5	139	91
5.6	139	91
5.7	139	91
5.8	139	91
5.9	139	91
6	139	91
6.1	148	97
6.2	148	97
6.3	148	97
6.4	148	97
6.5	148	97
6.6	148	97
6.7	148	97
6.8	156	102
6.9	156	102
7	156	102
7.1	156	102
7.2	156	102
7.3	156	102
7.4	156	102
7.5	156	102
7.6	165	109
7.7	165	109
7.8	165	109
7.9	165	109
8	165	109
8.1	165	109
8.2	165	109
8.3	165	109
8.4	165	109
8.5	165	109
8.6	175	115
8.7	175	115
8.8	175	115
8.9	175	115
9	175	115
9.1	175	115
9.2	175	115
9.3	175	115
9.4	175	115
9.5	175	115
9.6	184	121
9.8	184	121
9.8	184	121
9.9	184	121
10	184	121
10.1	184	121
10.2	184	121
10.3	184	121
10.4	184	121
10.5	184	121
10.6	184	121
10.7	195	128
10.8	195	128
10.9	195	128
11	195	128
11.1	195	128
11.2	195	128
11.3	195	128
11.4	195	128
11.5	195	128
11.6	195	128
11.7	195	128
11.8	195	128
11.9	205	134
12	205	134
12.1	205	134
12.2	205	134
12.3	205	134
12.4	205	134
12.5	205	134
12.6	205	134
12.7	205	134
12.8	205	134
12.9	205	134
13	205	134
13.1	205	134
13.2	205	134

DIN 1897 — Stub Length

155 diameter entries · All dimensions in mm

Find diameter

D (mm)	L1 · Overall (mm)	L2 · Flute (mm)
1	26	6
1.1	28	7
1.2	30	8
1.3	30	8
1.4	32	9
1.5	32	9
1.6	34	10
1.7	34	10
1.8	36	11
1.9	36	11
2	38	12
2.1	38	12
2.2	40	13
2.3	40	13
2.4	43	14
2.5	43	14
2.6	43	14
2.7	46	16
2.8	46	16
2.9	46	16
3	46	16
3.1	49	18
3.2	49	18
3.3	49	18
3.4	52	20
3.5	52	20
3.6	52	20
3.7	52	20
3.8	55	22
3.9	55	22
4	55	22
4.1	55	22
4.2	55	24
4.3	58	24
4.4	58	24
4.5	58	24
4.6	58	24
4.7	58	24
4.8	62	26
4.9	62	26
5	62	26
5.1	62	26
5.2	62	26
5.3	62	26
5.4	66	28
5.5	66	28
5.6	66	28
5.7	66	28
5.8	66	28
5.9	66	28
6	66	28
6.1	70	31
6.2	70	31
6.3	70	31
6.4	70	31
6.5	70	31
6.6	70	31
6.7	70	31
6.8	74	34
6.9	74	34
7	74	34
7.1	74	34
7.2	74	34
7.3	74	34
7.4	74	34
7.5	74	34
7.6	79	37
7.7	79	37
7.8	79	37
7.9	79	37
8	79	37
8.1	79	37
8.2	79	37
8.3	79	37
8.4	79	37
8.5	79	37
8.6	84	40
8.7	84	40
8.8	84	40
8.9	84	40
9	84	40
9.1	84	40
9.2	84	40
9.3	84	40
9.4	84	40
9.5	84	40
9.6	89	43
9.7	89	43
9.8	89	43
9.9	89	43
10	89	43
10.1	89	43
10.2	89	43
10.3	89	43
10.4	89	43
10.5	89	43
10.6	89	43
10.7	95	47
10.8	95	47
10.9	95	47
11	95	47
11.1	95	47
11.2	95	47
11.3	95	47
11.4	95	47
11.5	95	47
11.6	95	47
11.7	95	47
11.8	102	47
11.9	102	51
12	102	51
12.1	102	51
12.2	102	51
12.3	102	51
12.4	102	51
12.5	102	51
12.6	102	51
12.7	102	51
12.8	102	51
12.9	102	51
13	102	51
13.1	102	51
13.2	102	51
13.3	107	54
13.4	107	54
13.5	107	54
13.6	107	54
13.7	107	54
13.8	107	54
13.9	107	54
14	107	54
14.25	111	56
14.5	111	56
14.75	111	56
15	111	56
15.25	115	58
15.5	115	58
15.75	115	58
16	115	58
16.25	119	60
16.5	119	60
16.75	119	60
17	119	60
17.25	123	62
17.5	123	62
17.75	123	62
18	123	62
18.25	127	64
18.5	127	64
18.75	127	64
19	127	64
19.25	131	66
19.5	131	66
19.75	131	66
20	131	66

ANSI B94.11M — Jobber Length

261 size entries · Fraction, Number, Letter and Metric sizes

Find size

Fraction	No.	Letter	Metric size (mm)	Decimal inch	D equivalent (mm)	L2 (inch)	L2 (mm)	L1 (inch)	L1 (mm)
			1	0.0394	1	11/16	17	1 5/8	41
	60			0.04	1.016	11/16	17	1 5/8	41
	59			0.041	1.041	11/16	17	1 5/8	41
			1.05	0.0413	1.05	11/16	17	1 5/8	41
	58			0.042	1.067	11/16	17	1 5/8	41
	57			0.043	1.092	3/4	19	1 3/4	44
			1.1	0.0433	1.1	3/4	19	1 3/4	44
			1.15	0.0453	1.15	3/4	19	1 3/4	44
	56			0.0465	1.181	3/4	19	1 3/4	44
3/64				0.0469	1.191	3/4	19	1 3/4	44
			1.2	0.0472	1.2	7/8	22	1 7/8	48
			1.25	0.0492	1.25	7/8	22	1 7/8	48
			1.3	0.0512	1.3	7/8	22	1 7/8	48
	55			0.052	1.321	7/8	22	1 7/8	48
			1.35	0.0531	1.35	7/8	22	1 7/8	48
	54			0.055	1.397	7/8	22	1 7/8	48
			1.4	0.0551	1.4	7/8	22	1 7/8	48
			1.45	0.0571	1.45	7/8	22	1 7/8	48
			1.5	0.0591	1.5	7/8	22	1 7/8	48
	53			0.0595	1.511	7/8	22	1 7/8	48
			1.55	0.061	1.55	7/8	22	1 7/8	48
1/16				0.0625	1.588	7/8	22	1 7/8	48
			1.6	0.063	1.6	7/8	22	1 7/8	48
	52			0.0635	1.613	7/8	22	1 7/8	48
			1.65	0.065	1.65	1	25	2	51
			1.7	0.0669	1.7	1	25	2	51
	51			0.067	1.702	1	25	2	51
			1.75	0.0689	1.75	1	25	2	51
	50			0.07	1.778	1	25	2	51
			1.8	0.0709	1.8	1	25	2	51
			1.85	0.0728	1.85	1	25	2	51
	49			0.073	1.859	1	25	2	51
			1.9	0.0748	1.9	1	25	2	51
	48			0.076	1.93	1	25	2	51
			1.95	0.0768	1.95	1	25	2	51
5/64	47			0.0781	1.984	1	25	2	51
				0.0785	1.994	1	25	2	51
			2	0.0787	2	1	25	2	51
	46		2.05	0.0807	2.05	1 1/8	29	2 1/8	54
	45			0.081	2.057	1 1/8	29	2 1/8	54
				0.082	2.083	1 1/8	29	2 1/8	54
			2.1	0.0827	2.1	1 1/8	29	2 1/8	54
	44		2.15	0.0846	2.15	1 1/8	29	2 1/8	54
				0.086	2.184	1 1/8	29	2 1/8	54
			2.2	0.0866	2.2	1 1/4	32	2 1/4	57
	43		2.25	0.0886	2.25	1 1/4	32	2 1/4	57
				0.089	2.261	1 1/4	32	2 1/4	57
			2.3	0.0906	2.3	1 1/4	32	2 1/4	57
	42		2.35	0.0925	2.35	1 1/4	32	2 1/4	57
				0.0935	2.375	1 1/4	32	2 1/4	57
3/32				0.0938	2.383	1 1/4	32	2 1/4	57
	41		2.4	0.0945	2.4	1 3/8	35	2 3/8	60
				0.096	2.438	1 3/8	35	2 3/8	60
	40		2.45	0.0965	2.45	1 3/8	35	2 3/8	60
				0.098	2.489	1 3/8	35	2 3/8	60
	39		2.5	0.0984	2.5	1 3/8	35	2 3/8	60
	38			0.0995	2.527	1 3/8	35	2 3/8	60
				0.1015	2.578	1 7/16	37	2 1/2	64
	37		2.6	0.1024	2.6	1 7/16	37	2 1/2	64
				0.104	2.642	1 7/16	37	2 1/2	64
	36		2.7	0.1063	2.7	1 7/16	37	2 1/2	64
7/64				0.1065	2.705	1 7/16	37	2 1/2	64
	35			0.1094	2.779	1 1/2	38	2 5/8	67
				0.11	2.794	1 1/2	38	2 5/8	67
	34		2.8	0.1102	2.8	1 1/2	38	2 5/8	67
	33			0.111	2.819	1 1/2	38	2 5/8	67
				0.113	2.87	1 1/2	38	2 5/8	67
	32		2.9	0.1142	2.9	1 5/8	41	2 3/4	70
				0.116	2.946	1 5/8	41	2 3/4	70
	31		3	0.1181	3	1 5/8	41	2 3/4	70
				0.12	3.048	1 5/8	41	2 3/4	70
			3.1	0.122	3.1	1 5/8	41	2 3/4	70
1/8				0.125	3.175	1 5/8	41	2 3/4	70
			3.2	0.1260 3.200	3.2	1 5/8	41	2 3/4	70
	30			0.1285	3.264 15/8	1 5/8	41	2 3/4	70
			3.3	0.1299 3.300	3.3	1 3/4	44	2 7/8	73
			3.4	0.1339 3.400	3.4	1 3/4	44	2 7/8	73
	29			0.136	3.454	1 3/4	44	2 7/8	73
			3.5	0.1378 3.500	3.5	1 3/4	44	2 7/8	73
	28			0.1405	3.569	1 3/4	44	2 7/8	73
9/64				0.1406	3.571	1 3/4	44	2 7/8	73
			3.6	0.1417 3.600	3.6	1 7/8	48	3	76
	27			0.144	3.658	1 7/8	48	3	76
			3.7	0.1457 3.700	3.7	1 7/8	48	3	76
	26			0.147	3.734	1 7/8	48	3	76
	25			0.1495	3.797	1 7/8	48	3	76
			3.8	0.1496 3.800	3.8	1 7/8	48	3	76
	24			0.152	3.861	2	51	3 1/8	79
			3.9	0.1535 3.900	3.9	2	51	3 1/8	79
	23			0.154	3.912	2	51	3 1/8	79
5/32				0.1562	3.967	2	51	3 1/8	79
	22			0.157	3.988	2	51	3 1/8	79
			4	0.1575 4.000	4	2 1/8	54	3 1/4	83
	21			0.159	4.039	2 1/8	54	3 1/4	83
	20			0.161	4.089	2 1/8	54	3 1/4	83
			4.1	0.1614 4.100	4.1	2 1/8	54	3 1/4	83
			4.2	0.1654 4.200	4.2	2 1/8	54	3 1/4	83
	19			0.166	4.216	2 1/8	54	3 1/4	83
			4.3	0.1693 4.300	4.3	2 1/8	54	3 1/4	83
	18			0.1695	4.305	2 1/8	54	3 1/4	83
11/64				0.1719	4.366	2 1/8	54	3 1/4	83
	17			0.173	4.394	2 3/16	56	3 3/8	86
			4.4	0.1732 4.400	4.4	2 3/16	56	3 3/8	86
	16			0.177	4.496	2 3/16	56	3 3/8	86
			4.5	0.1772 4.500	4.5	2 3/16	56	3 3/8	86
	15			0.18	4.572	2 3/16	56	3 3/8	86
			4.6	0.1811 4.600	4.623 23/16	2 3/16	56	3 3/8	86
	14			0.182	4.623 23/16	2 3/16	56	3 3/8	86
	13		4.7	0.185	4.7	2 5/16	59	3 1/2	89
3/16				0.1875	4.762	2 5/16	59	3 1/2	89
	12		4.8	0.189	4.800 25/1	2 5/16	59	3 1/2	89
	11			0.191	4.851 25/	2 5/16	59	3 1/2	89
			4.9	0.1929	4.9	2 7/16	62	3 5/8	92
	10			0.1935	4.915	2 7/16	62	3 5/8	92
	9			0.196	4.978	2 7/16	62	3 5/8	92
			5	0.1969	5	2 7/16	62	3 5/8	92
	8			0.199	5.054	2 7/16	62	3 5/8	92
			5.1	0.2008	5.1	2 7/16	62	3 5/8	92
	7			0.201	5.105	2 7/16	62	3 5/8	92
13/64				0.2031	5.159	2 7/16	62	3 5/8	92
	6			0.204	5.182	2 1/2	64	3 3/4	95
			5.2	0.2047	5.2	2 1/2	64	3 3/4	95
	5			0.2055	5.22	2 1/2	64	3 3/4	95
			5.3	0.2087	5.3	2 1/2	64	3 3/4	95
	4			0.209	5.309	2 1/2	64	3 3/4	95
			5.4	0.2126	5.4	2 1/2	64	3 3/4	95
	3			0.213	5.41	2 1/2	64	3 3/4	95
			5.5	0.2165	5.5	2 1/2	64	3 3/4	95
7/32				0.2188	5.558	2 1/2	64	3 3/4	95
			5.6	0.2205	5.6	2 5/8	67	3 7/8	98
	2			0.221	5.613	2 5/8	67	3 7/8	98
			5.7	0.2244	5.7	2 5/8	67	3 7/8	98
	1			0.228	5.791	2 5/8	67	3 7/8	98
			5.8	0.2283	5.8	2 5/8	67	3 7/8	98
			5.9	0.2323	5.9	2 5/8	67	3 7/8	98
		A		0.234	5.944	2 5/8	67	3 7/8	98
15/64				0.2344	5.954	2 5/8	67	3 7/8	98
			6	0.2362	6	2 3/4	70	4	102
		B		0.238	6.045	2 3/4	70	4	102
			6.1	0.2402	6.1	2 3/4	70	4	102
		C		0.242	6.147	2 3/4	70	4	102
			6.2	0.2441	6.2	2 3/4	70	4	102
		D		0.246	6.248	2 3/4	70	4	102
			6.3	0.248	6.3	2 3/4	70	4	102
1/4		E		0.25	6.35	2 7/8	73	4 1/8	105
			6.4	0.252	6.4	2 7/8	73	4 1/8	105
			6.5	0.2559	6.5	2 7/8	73	4 1/8	105
		F		0.257	6.528	2 7/8	73	4 1/8	105
			6.6	0.2598	6.6	2 7/8	73	4 1/8	105
		G		0.261	6.629	2 7/8	73	4 1/8	105
			6.7	0.2638	6.7	2 7/8	73	4 1/8	105
17/64				0.2656	6.746	2 7/8	73	4 1/8	105
		H		0.266	6.756	2 7/8	73	4 1/8	105
			6.8	0.2677	6.8	2 7/8	73	4 1/8	105
			6.9	0.2717	6.9	2 7/8	73	4 1/8	105
		I		0.272	6.909	2 7/8	73	4 1/8	105
			7	0.2756	7	2 7/8	73	4 1/8	105
		J		0.277	7.036	2 7/8	73	4 1/8	105
			7.1	0.2795	7.1	2 15/16	75	4 1/4	108
		K		0.281	7.137	2 15/16	75	4 1/4	108
9/32				0.2812	0.28	2 15/16	75	4 1/4	108
			7.2	0.2835	7.2	2 15/16	75	4 1/4	108
			7.3	0.2874	7.3	2 15/16	75	4 1/4	108
		L		0.29	7.366	2 15/16	75	4 1/4	108
			7.4	0.2913	7.4	3 1/16	78	4 3/8	111
		M		0.295	7.493	3 1/16	78	4 3/8	111
			7.5	0.2953	7.5	3 1/16	78	4 3/8	111
				0.2969	7.541	3 1/16	78	4 3/8	111
			7.6	0.2992	7.6	3 1/16	78	4 3/8	111
		N		0.302	7.671	3 1/16	78	4 3/8	111
19/64			7.7	0.3031	7.70 0	3 1/16	78	4 3/8	111
			7.8	0.3071	7.8	3 3/16	81	4 1/2	114
			7.9	0.311	7.9	3 3/16	81	4 1/2	114
5/16				0.3125	0.31	3 3/16	81	4 1/2	114
			8	0.315	8	3 3/16	81	4 1/2	114
		O		0.316	8.026	3 3/16	81	4 1/2	114
			8.1	0.3189	8.1	3 5/16	84	4 5/8	117
			8.2	0.3228	8.2	3 5/16	84	4 5/8	117
		P		0.323	8.204	3 5/16	84	4 5/8	117
			8.3	0.3268	8.3	3 5/16	84	4 5/8	117
21/64				0.3281	8.334	3 5/16	84	4 5/8	117
			8.4	0.3307	8.4	3 5/16	84	4 5/8	117
		Q		0.332	8.433	3 7/16	87	4 3/4	121
			8.5	0.3346	8.5	3 7/16	87	4 3/4	121
			8.6	0.3386	8.6	3 7/16	87	4 3/4	121
		R		0.339	8.611	3 7/16	87	4 3/4	121
			8.7	0.3425	8.7	3 7/16	87	4 3/4	121
11/32				0.3438	8.733	3 7/16	87	4 3/4	121
			8.8	0.3465	8.8	3 1/2	89	4 7/8	124
		S		0.348	8.839	3 1/2	89	4 7/8	124
			8.9	0.3504	8.9	3 1/2	89	4 7/8	124
			9	0.3543	9	3 1/2	89	4 7/8	124
		T		0.358	9.093	3 1/2	89	4 7/8	124
			9.1	0.3583	9.1	3 1/2	89	4 7/8	124
23/64				0.3594	9.129	3 1/2	89	4 7/8	124
			9.2	0.3622	9.2	3 5/8	92	5	127
			9.3	0.3661	9.3	3 5/8	92	5	127
		U		0.368	9.347	3 5/8	92	5	127
			9.4	0.3701	9.4	3 5/8	92	5	127
			9.5	0.374	9.5	3 5/8	92	5	127
3/8				0.375	9.525	3 5/8	92	5	127
		V		0.377	9.576	3 5/8	92	5	127
			9.6	0.378	9.6	3 3/4	95	5 1/8	130
			9.7	0.3819	9.7	3 3/4	95	5 1/8	130
			9.8	0.3858	9.8	3 3/4	95	5 1/8	130
		W		0.386	9.804	3 3/4	95	5 1/8	130
			9.9	0.3898	9	3 3/4	95	5 1/8	130
25/64				0.3906	9.093	3 3/4	95	5 1/8	130
			10	0.3937	10	3 3/4	95	5 1/8	130
		X		0.397	10.084	3 3/4	95	5 1/8	130
			10.2	0.4016	10.2	3 7/8	98	5 1/4	133
		Y		0.409	10.262	3 7/8	98	5 1/4	133
13/32				0.4062	10.317	3 7/8	98	5 1/4	133
		Z		0.413	10.49	3 7/8	98	5 1/4	133
			10.5	0.4134	10.5	3 7/8	98	5 1/4	133
27/64				0.4219	10.716	3 15/16	100	5 3/8	140
			10.8	0.4252	10.8	4 1/16	103	5 1/20	140
			11	0.4331	11	4 1/16	103	5 1/20	140
7/16				0.4375	11.112	4 1/16	103	5 1/20	140
			11.2	0.4409	11.2	4 3/16	106	5 5/8	143
			11.5	0.4528	11.5	4 3/16	106	5 5/8	143
29/64				0.4531	11.509	4 3/16	106	5 5/8	143
			11.8	0.4646	11.8	4 5/16	110	5 3/4	146
15/32				0.4688	11.908	4 5/16	110	5 3/4	146
			12	0.4724	12	4 3/8	111	5 7/8	149
			12.2	0.4803	12.2	4 3/8	111	5 7/8	149
31/64				0.4844	12.304	4 3/8	111	5 7/8	149
			12.5	0.4921	12.5	4 1/2	114	6	152
1/2				0.5	12.7	4 1/2	114	6	152
			12.8	0.5039	12.8	4 1/2	114	6	152
			13	0.5118	13	4 1/2	114	6	152
33/64				0.5156	13.096	4 13/16	122	6 5/8	168
			13.2	0.5197.	13.2	4 13/16	122	6 5/8	168
17/32				0.5312	13.492	4 13/16	122	6 5/8	168
			13.5	0.5315	13.5	4 13/16	122	6 5/8	168
			13.8	0.5433	13.8	4 13/16	122	6 5/8	168
35/64				0.5469	13.891	4 13/16	122	6 5/8	168
			14	0.5512	14	4 13/16	122	6 5/8	168
			1425	0.561	14.25	4 13/16	122	6 5/8	168
46281				0.5625	14.288	4 13/16	122	6 5/8	168
			14.5	0.5709	14.5	4 13/16	122	6 5/8	168
37/64				0.5781	14.684	4 13/16	122	6 5/8	168
			14.75	0.5807	14.75	5 3/16	132	7 1/8	181
			15	0.5906	15	5 3/16	132	7 1/8	181
19/32				0.5938	15.083	5 3/16	132	7 1/8	181
			15.25	0.6004	15.25	5 3/16	132	7 1/8	181
39/64				0.6094	15.479	5 3/16	132	7 1/8	181
			15.5	0.6102	15.5	5 3/16	132	7 1/8	181
			15.75	0.6201	15.75	5 3/16	132	7 1/8	181
46150				0.625	15.875	5 3/16	132	7 1/8	181
			16	0.6299	16	5 3/16	132	7 1/8	181
			16.25	0.6398	16.25	5 3/16	132	7 1/8	181
41/64				0.6406	16.271	5 3/16	132	7 1/8	181
			16.5	0.6496	16.5	5 3/16	132	7 1/8	181
21/32				0.6562	16.667	5 3/16	132	7 1/8	181
			16.75	0.6594	16.75	5 5/8	143	7 5/8	194
			17	0.6693	17	5 5/8	143	7 5/8	194
43/64				0.6719	17.066	5 5/8	143	7 5/8	194
			17.25	0.6791	17.25	5 5/8	143	7 5/8	194
46342				0.6875	17.462	5 5/8	143	7 5/8	194
			17.5	0.689	17.5	5 5/8	143	7 5/8	194

Reference: Jiateng Tools catalogue data supplied for this page. Some source entries require further verification; highlighted ANSI rows indicate inconsistent or unclear source values. Confirm critical dimensions before production or ordering.