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R318 High Precision NC Machine Reamers In Steps of 0.01mm For Automatic Lathes

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: 0/+0.004mm.

a

45°

Lc

L

Through

Blind Hole 

Steel Cast lron Stainless Steel AL, Copper

Hole 

VHM Carbide

Uncoated Bright

L 7°

Z

Accuracy tolerance: 0/+0.004mm.

P H M K N

Stub Length

Code No. R318-Dc

Lc mm

L mm

d mm

a mm

Z teeth

R318 Bright

Dc +0.004 - 0

1.98~1.99

1.5 1.5 1.5 1.5

0.2 0.2 0.2

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18 18 18 18 18 18 18 18 18 18 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 22 22 22 22 22 22 22 22

50 50 50 50 50 50 50 50 50 50 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 63 63 63 63 63 63 63 63

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 6 6 6 6 6 6 6 6 6 6

2.00

2.01~2.03 2.04~2.12 2.13~2.19

0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25

2 2 2 2 2 2

2.20

2.21~2.36 2.37~2.49

2.50

2.51~2.65 2.66~2.79

2.5 2.5 2.5 2.5 2.5 2.5 2.5

2.80

2.81~2.90 2.91~2.99

0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5

3.00

3.01~3.03 3.04~3.19

3.20

3 3 3 3 3 3

3.21~3.35 3.36~3.49

3.50

3.51~3.60 3.61~3.75 3.76~3.90 3.91~3.99

3.5 3.5 3.5 3.5 3.5

4.00

4.01~4.09 4.10~4.25 4.26~4.49

4 4 4 4 4 4 4 4

4.50

4.51~4.60 4.61~4.75 4.76~4.90 4.91~4.99

5.00

5.01~5.10

477

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