Hand Reamers
Diameter	Across Flat	Length of Square	Overall Length	Flute Length
1·32	1·12	4	41	20
1·50	1·25	4	44	21
1·70	1·40	4	47	23
1·90	1·60	4	50	23
2·12	1·80	4	54	27
2·36	2·00	4	58	29
2·65	2·24	5	62	31
3·00	2·50	5	66	33
3·35	2·80	5	71	35
3·75	3·15	6	76	38
4·25	3·55	6	81	41
4·75	4·00	7	87	44
5·30	4·50	7	93	47
6·00	5·00	8	100	50
6·70	5·60	8	107	54
7·50	6·30	9	115	58
8·50	7·10	10	124	62
9·50	8·00	11	133	66
10·60	9·00	12	142	72
11·80	10·00	13	152	76
13·20	11·20	14	163	81
15·00	12·50	16	175	87
17·00	14·00	18	188	93
19·00	16·00	20	200	100
21·20	18·00	22	215	107
23·60	20·00	24	231	115
26·50	22·40	26	247	124
30·00	25·00	28	265	133

Parallel Machine Reamers
Diameter	Morse Taper	Overall Length	Flute Length
6·00	1	130	50
6·70	1	134	54
7·50	1	138	58
8·50	1	142	62
9·50	1	146	66
10·60	1	151	71
11·80	1	156	76
13·20	1	161	81
15·00	2	187	87
17·00	2	193	93
19·00	2	200	100
21·20	2	207	107
23·60	3	242	115
26·50	3	251	124
30·00	3	260	133

Machine Chucking Reamers (Taper Shank)
Diameter	Morse Taper	Overall Length	Flute Length
5·30	1	119	19
6·70	1	128	25
8·50	1	140	29
10·60	1	153	33
13·20	1	169	38
17·00	2	203	44
21·20	2	225	51
26·50	3	271	60
30·00	4	296	60

Machine Chucking Reamers (Straight Shank)
Diameter	Shank Length	Shank Diameter	Overall Length	Flute Length
1·32	22	1·25	42	9
1·70	24	1·60	47	10
2·12	26	2·00	54	12
2·65	28	2·50	61	14
3·35	31	3·15	70	16
4·25	34	4·00	80	18
5·30	37	5·00	91	21
6·70	40	6·30	103	25
8·50	44	8·00	119	29
10·60	48	10·00	136	33
13·20	52	12·50	156	38

All the above Dimensions are in Millimetres

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