Machine Reamers R301
Designed with left helix and right cutting flutes with unequal flute design. Downward chip evacuation. Application for reaming different steels below 48HRC, stainless steel, cast iron, aluminium, copper…and etc. Accuracy tolerance: H7 (m5)
a
45°
Lc
L1
L
Through
Blind Hole
Steel Cast lron Stainless Steel AL, Copper
Hole
VHM Carbide
Uncoated Bright
L 7°
Z
Tolerance regulation
P H M K N
Dc size (mm)
Reamer Dc tolerance (mm)
Grind Dc tolerance (mm)
Above
Under
m5(JIS)
H7(DIN 1420)
Min
Mid
Max
-
3 6
+0.002/+0.006 +0.004/+0.008 +0.004/+0.009 +0.005/+0.010 +0.006/+0.012 +0.006/+0.012 +0.007/+0.015 +0.008/+0.015 +0.008/+0.017 +0.009/+0.017
+0.004 +0.005 +0.007 +0.009 +0.011
+0.005 +0.007 +0.009 +0.011 +0.013
+0.006 +0.009 +0.011 +0.013 +0.015
3 6
10 18 30
10 18
Standard Length
Code No. R301-Dc
Dc H7
Lc mm
L1 mm
L mm
d mm
a mm
Z teeth
R301 Bright
1
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
6 8
15 18 24 29 36 41 44 48 53 58 58 64 70 70 76 76 82 82 88 97
34 40 49 57 61 70 75 80 86 93 93
1
0.1
4 4 4 4 4 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
1.5
1.5
0.15
2
11 14 15 18 19 21 23 26 26 28 31 31 33 33 36 36 38 41 44 47 52
2
0.2
2.5
2.5
0.25
3
3
0.3 0.3 0.4 0.4 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 1.0 1.0 1.0 1.0
3.5
3.5
4
4
4.5
4.5
5
5
5.5
5.5
6
6
6.5
101 109 109 117 117 125 125 133 142 151 160 170
6.5
7
7
7.5
7.5
8
8
8.5
8.5
9
9
9.5
9.5
10 11 12 14 16
10 11 12 14 16
106 111 121
Please refer to page P494 for parameters.
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