● High helix center drills - JIS Type A suitable for soft or relatively tough 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 × 60゜ × 3.15 |
CEA0.5 |
0.5 |
3.15 |
31.5 |
0.8 |
1.06 |
1 |
|
0.63 × 60゜ × 3.15 |
CEA0.63 |
0.63 |
3.15 |
31.5 |
1 |
1.32 |
1 |
|
0.8 × 60゜ × 3.15 |
CEA0.8 |
0.8 |
3.15 |
31.5 |
1.2 |
1.7 |
1 |
|
1 × 60゜ × 3.15 |
CEA1.0 |
1 |
3.15 |
31.5 |
1.5 |
2.12 |
1 |
|
1.25 × 60゜ × 3.15 |
CEA1.25 |
1.25 |
3.15 |
31.5 |
1.9 |
2.65 |
1 |
|
1.6 × 60゜ × 4 |
CEA1.6 |
1.6 |
4 |
35.5 |
2.4 |
3.35 |
1 |
|
2 × 60゜ × 5 |
CEA2.0 |
2 |
5 |
40 |
3 |
4.25 |
1 |
|
2.5 × 60゜ × 6.3 |
CEA2.5 |
2.5 |
6.3 |
45 |
3.8 |
5.3 |
1 |
|
3.15 × 60゜ × 8 |
CEA3.15 |
3.15 |
8 |
50 |
4.8 |
6.7 |
1 |
|
4 × 60゜ × 10 |
CEA4.0 |
4 |
10 |
56 |
6 |
8.5 |
1 |
|
5 × 60゜ × 12.5 |
CEA5.0 |
5 |
12.5 |
63 |
7.5 |
10.6 |
1 |
|
6.3 × 60゜ × 16 |
CEA6.3 |
6.3 |
16 |
71 |
9.2 |
13.2 |
1 |
|
8 × 60゜ × 20 |
CEA8.0 |
8 |
20 |
80 |
11.5 |
17 |
1 |
|
10 × 60゜ × 25 |
CEA010 |
10 |
25 |
100 |
14.2 |
21.2 |
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 |
|---|
