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Product Features

Suitable for tapping threads in mold parts Suitable for creating tip mounting threads
Tapping Data
Tapping Conditions [M2.5×0.45]
| Workpiece Material | SCM440(45HRC) |
| Bored Hole Size | φ2.1 |
| Tapping Length | 5mm |
| Tapping Speed | 5m/min |
| Machine | Machining center, vertical type (fully synchronized feed) |
| Tapping Fluid | Water soluble cutting fluid |
| After tapping 200 holes (The tap can still be used for tapping) | |
| State of Wear | Good internal threads |
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Tapping examples on the market
| MHSL | Workpiece Material | Tapping Condition / Tapping Result | Remarks | |||||
| Nominal Size | Material Symbol (Hardness) |
Bored Hole Size (mm) |
Tapping Length (mm)* |
Cutting Speed (m/min) |
Feed Mechanism |
Cutting Fluid | Tool Life (Holes/pc) |
|
| M2.5×0.45 | SCM440( 45HRC) | 2.1 | 4(1.6D) |
2.5 |
Synchronized | Water soluble | 300 holes | Reduced breakage problems |
| M2.5×0.45 | SKD61( 45HRC) | 2.1 | 5(2D) | 5 | Synchronized | Water soluble | 150 holes or more (The tap still works well) |
- |
| M4×0.7 | SCM440( 45HRC) | 3.4 | 6(1.5D) | 5 | Synchronized | Water soluble | 351holes | Reduced tapping time |
Measures against tapping-related problems
When tapping internal threads in a through hole toward the slanted surface as shown on the left, spot facing as shown on the right is recommended to prevent the occurrence of a broken tap or such other problems.
Specification

Tapping Speeds depending on Materials
M1.8〜M5×0.5

25〜35HRC 35〜45HRC
M6〜M16

25〜35HRC

Segment:1T
|
Size |
Class |
Code |
Chamfer |
L (mm) |
ℓ (mm) |
ℓn (mm) |
ℓs (mm) |
Ds (mm) |
K (mm) |
ℓk (mm) |
No. of flutes |
TYPE |
|
For Metric Threads |
||||||||||||
|
M2×0.4 |
P2 |
1109101021 |
5P |
45 |
8 |
15 |
27 |
3 |
2.5 |
5 |
2 |
1 |
|
M2.5×0.45 |
P3 |
1109101029 |
5P |
50 |
8 |
15 |
32 |
3 |
2.5 |
5 |
3 |
1 |
|
M3×0.5 |
P3 |
1109101035 |
5P |
56 |
9 |
18 |
32 |
4 |
3.2 |
6 |
3 |
1 |
|
M3.5×0.6 |
P3 |
1109101038 |
5P |
63 |
13 |
20 |
36 |
5 |
4 |
7 |
3 |
1 |
|
M4×0.7 |
P3 |
1109101042 |
5P |
63 |
13 |
21 |
36 |
5 |
4 |
7 |
3 |
1 |
|
M4.5×0.75 |
P3 |
1109101045 |
5P |
70 |
14 |
24 |
40 |
5.5 |
4.5 |
7 |
3 |
1 |
|
M5×0.8 |
P3 |
1109101049 |
5P |
70 |
14 |
25 |
40 |
5.5 |
4.5 |
7 |
3 |
1 |
|
M5×0.5 |
P3 |
1109101051 |
5P |
70 |
9 |
25 |
40 |
5.5 |
4.5 |
7 |
3 |
2 |
|
M6×1 |
P3 |
1109101055 |
5P |
80 |
15 |
30 |
45 |
6 |
4.5 |
7 |
3 |
1 |
|
M8×1.25 |
P4 |
1109101064 |
5P |
90 |
19 |
- |
46 |
6.2 |
5 |
8 |
3 |
3 |
|
M10×1.5 |
P4 |
1109101078 |
5P |
100 |
23 |
- |
51 |
7 |
5.5 |
8 |
3 |
3 |
|
M10×1.25 |
P4 |
1109101079 |
5P |
100 |
23 |
- |
51 |
7 |
5.5 |
8 |
3 |
3 |
|
M12×1.75 |
P5 |
1109101088 |
5P |
110 |
26 |
- |
56 |
8.5 |
6.5 |
9 |
4 |
3 |
|
M12×1.5 |
P5 |
1109101089 |
5P |
110 |
26 |
- |
56 |
8.5 |
6.5 |
9 |
4 |
3 |
|
M12×1.25 |
P5 |
1109101090 |
7P |
110 |
26 |
- |
56 |
8.5 |
6.5 |
9 |
4 |
3 |
|
M14×1.5 |
P5 |
1109101102 |
7P |
110 |
26 |
- |
56 |
10.5 |
8 |
11 |
4 |
3 |
|
M16×1.5 |
P5 |
1109101116 |
7P |
110 |
26 |
- |
56 |
12.5 |
10 |
13 |
4 |
3 |
| แบรนด์สินค้า | YAMAWA |
|---|---|
| Order No. | M8x1.25 (1109101064) |
| Model | HDISL |
| Size | M8X1.25 |
| Class | P4 |
| Chamfer | 5P |
| Overall length (L) | 90 |
| Thread length (ℓ) | 19 |
| Thread + Neck length (ℓn) | - |
| Shank length (ℓs) | 46 |
| Shank dia. (Ds) | 6.2 |
| Size of Square (K) | 5 |
| Length of square (ℓk) | 8 |
