7Leaders

NC Machine Reamers 4&6 Flute Straight Shank Chucking Reamers

Uncoated Bright

MG Carbide

mm METRIC

Z

Code No: R391-DC

C45°

Work Material P H M K N S

Lc

L

Standard Length Dc H7 Lc mm

P Steel

Bright R391

L mm

d mm 0.40 0.50 0.60 0.70 0.80 0.80 1.00 1.04 1.04 1.32 1.32 1.32 1.59 1.59 1.59 1.59 1.98 1.98 1.98 1.98 2.38 2.38 2.38 2.38 2.78 2.78 2.78 2.78 2.78 2.78 2.78 2.78 3.57 3.57

Z teeth

H <48HRC

0.5 0.6 0.7 0.8 0.9

5 5 5 6 6 6

38 38 38 38 38 38 38 38 38 38 38 38 44 44 44 44 51 51 51 51 57 57 57 57 57 57 57 57 64 64 64 64 64 64

4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

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Hardened Steel

M Stainless Steel

K Cast Iron

1

1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9

10 10 10 10 10 10 13 13 13 13 13 13 13 13 16 16 16 16 16 16 16 16 19 19 19 19 19 19

N Aluminium

N Copper

N Plastics

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 Feature of product:

2

2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9

Provide superior wear resistance. Can withstand the highest cutting temperatures in low tensile and highly abrasive materials such as Bronze, Copper, Rubber, Aluminium, Cast Iron, and Steel… etc.

3

3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8

4 4

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499

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