Carbide-tipped Taper Shank Machine Reamers

GB 4252-85

Notes£º 1. The reamers are used for reaming holes with accuracy of classes H7, H8, H9 or any other classes required, which must be specified in ordering. The tolerance of classes H7, H8 and H9 is as follows:

Diameter
¡«10
£¾10¡«18
£¾18¡«30
£¾30¡«50
H7
+0.015
+0.009
+0.018
+0.011
+0.021
+0.013
+0.025
+0.016
H8
+0.022
+0.014
+0.027
+0.017
+0.033
+0.021
+0.039
+0.025
H9
+0.036
+0.023
+0.043
+0.027
+0.052
+0.033
+0.062
+0.040

2. If request, it is available to any a intermediate size in the range of diameters except the recommended sizes.


Order No.
Diameter
Overall Length
Flute Length
No. of Flutes
M. T. Number
23633-51
8
156
17
4
1
52
9
162
53
10
168
54
11
175
55
12
182
20
56
£¨13£©
182
57
14
189
58
£¨15£©
204
25
2
59
16
210
60
£¨17£©
214
61
18
219
62
£¨19£©
223
6
63
20
228
64
21
232
28
65
22
237
66
23
241
67
24
268
3
68
25
268
69
£¨26£©
273
34
70
28
277
71
£¨30£©
281
72
£¨31£©
285
73
32
317
4
74
£¨34£©
321
75
£¨35£©
321
76
36
325
8
77
£¨38£©
329
78
40
329

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