Cutting Conditions Machine Reamers R303
Designed with left helix and right cutting flutes. Downward chip evacuation. Tolerance: Dc
+0.004/+0.008: 0.5~3.0 +0.005/+0.010: 3.0~6.0 +0.006/+0.012: 6.0~10 +0.008/+0.015: 10~18 +0.009/+0.017: 18~30 +0.012/+0.021: 30~50
Lc
L
HM Carbide Tipped
Steel Cast lron AL, Copper
Uncoated Bright
7°
P H K
Application for reaming different steels below 48HRC, cast iron…and etc.
HM
Standard Length
Lc mm
L mm 168 175 182 182 189 204 210 214 219 223 228 237 268 268 273 277 281 317 321 325 329 325
d M.T.
Z teeth
R303 Bright
Dc H7 10 11 12 13 14 15 16 17 18 19 20 22 24 25 26 28 30 32 35 36 38 41
38 41 44 44 47 50 52 54 56 58 60 64 68 68 70 71 73 77 78 79 81 81
1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4
6 6 6 6 6 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8 8 8
Please refer to page 317 for parameters.
308
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