● Long shank low helix center drills - Type A suitable for relatively hard materials and coated to improve wear resistance and anti-welding.
Specification

Cutting Speed depending on Materials

Segment:51
|
Size Dc × θ ×Ds |
Code |
Dc (mm) |
Ds (mm) |
L (mm) |
ℓ (mm) |
Dw (mm) |
TYPE |
|
1 × 60゜ ×4 |
VCDL1.0 |
1 |
4 |
100 |
1 |
2.5 |
1 |
|
1 × 60゜ ×4 |
VCDM1.0 |
1 |
4 |
150 |
1 |
2.5 |
1 |
|
1.5 × 60゜ × 5 |
VCDL1.5 |
1.5 |
5 |
100 |
1.5 |
4 |
1 |
|
1.5 × 60゜ × 5 |
VCDM1.5 |
1.5 |
5 |
150 |
1.5 |
4 |
1 |
|
2 × 60゜ × 6 |
VCDL2.0 |
2 |
6 |
100 |
2 |
5 |
1 |
|
2 × 60゜ × 6 |
VCDM2.0 |
2 |
6 |
150 |
2 |
5 |
1 |
|
2.5 × 60゜ ×8 |
VCDL2.5 |
2.5 |
8 |
100 |
2.5 |
6.5 |
1 |
|
2.5 × 60゜ ×8 |
VCDM2.5 |
2.5 |
8 |
150 |
2.5 |
6.5 |
1 |
|
3 × 60゜ × 8 |
VCDL3.0 |
3 |
8 |
100 |
3 |
6.5 |
1 |
|
3 × 60゜ × 8 |
VCDM3.0 |
3 |
8 |
150 |
3 |
6.5 |
1 |
|
4 × 60゜ ×10 |
VCDL4.0 |
4 |
10 |
100 |
4.5 |
8.5 |
1 |
|
4 × 60゜ ×10 |
VCDM4.0 |
4 |
10 |
150 |
4.5 |
8.5 |
1 |
|
5 × 60゜ × 12 |
VCDL5.0 |
5 |
12 |
100 |
5.5 |
10 |
1 |
|
5 × 60゜ × 12 |
VCDM5.0 |
5 |
12 |
150 |
5.5 |
10 |
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 |
|---|
