Designed with left helix and right cutting flutes. Downward chip evacuation. Accuracy tolerance: 0/+0.004mm. NC Machine Reamers R309
Lc
L
VHM Carbide
Uncoated Bright
Steel < 56HRC
7°
P H K
Application for reaming different steels below 56HRC, cast iron…and etc.
Standard Length
Lc mm
L mm
d mm
Z teeth
Dc +0.004 - 0
R309 Bright
2.95 2.96 2.97 2.98 2.99
15 15 15 15 15 15 15 15 15 15 15 19 19 19 19 19 19 19 19 19 19 19 23 23 23 23 23 23 23 23 23 23 23 26 26 26 26 26
61 61 61 61 61 61 61 61 61 61 61 75 75 75 75 75 75 75 75 75 75 75 86 86 86 86 86 86 86 86 86 86 86 93 93 93 93 93
3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
3
3.01 3.02 3.03 3.04 3.05 3.95 3.96 3.97 3.98 3.99
4
4.01 4.02 4.03 4.04 4.05 4.95 4.96 4.97 4.98 4.99
5
5.01 5.02 5.03 5.04 5.05 5.95 5.96 5.97 5.98 5.99
311
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