● Low helix center drills - Type A center drill for machining 90° center hole. Suitable for relatively hard materials.
Specification

Cutting Speed depending on Materials


Segment:51
|
Size Dc × θ ×Ds |
Code |
Dc (mm) |
Ds (mm) |
L (mm) |
ℓ (mm) |
Dw (mm) |
TYPE |
|
0.5 × 90゜ × 3.5 |
CY0.5Q |
0.5 |
3.5 |
35 |
0.5 |
1.5 |
1 |
|
0.6 × 90゜ × 3.5 |
CY0.6Q |
0.6 |
3.5 |
35 |
0.6 |
2 |
1 |
|
0.8 × 90゜ × 3.5 |
CY0.8Q |
0.8 |
3.5 |
35 |
0.8 |
2.5 |
1 |
|
1 × 90゜ × 4 |
CY1.0Q |
1 |
4 |
35 |
1 |
3 |
1 |
|
1.2 × 90゜ × 5 |
CY1.2Q |
1.2 |
5 |
40 |
1.2 |
3.5 |
1 |
|
1.5 × 90゜ × 5 |
CY1.5Q |
1.5 |
5 |
40 |
1.5 |
4 |
1 |
|
2 × 90゜ × 6 |
CY2.0Q |
2 |
6 |
45 |
2 |
5 |
1 |
|
2.5 × 90゜ × 7.7 |
CY2.5Q |
2.5 |
7.7 |
50 |
2.5 |
6.5 |
1 |
|
3 × 90゜ × 7.7 |
CY3.0Q |
3 |
7.7 |
55 |
3 |
6.5 |
1 |
|
4 × 90゜ × 10 |
CY4.0Q |
4 |
10 |
65 |
4.5 |
8.5 |
1 |
|
5 × 90゜ × 11 |
CY5.0Q |
5 |
11 |
78 |
5.5 |
9 |
1 |
|
6 × 90゜ × 16 |
CY6.0Q-16 |
6 |
16 |
90 |
6.5 |
13.5 |
1 |
|
6 × 90゜ × 18 |
CY6.0Q |
6 |
18 |
90 |
6.5 |
15 |
1 |
・Machining conditions are calculated based on the workpiece end-face hole size Dw.
・For details on machining conditions, see TECHNICAL INFORMATION, “27. Table of recommend centering condition.”
| แบรนด์สินค้า | YAMAWA |
|---|
