MHSL (Long Metric Threads) | Z-PRO Spiral Fluted Taps for Carbon Steels of Medium Hardness, Through Hole Use (with LH Spiral Flutes) | YAMAWA
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SKU
YAM-MHSL Long Metric Threads
Product Features
- High wear-resistant HSS material and special coating for longer tool life
- Unique flute design for stable and smooth chip ejection
- Secures appropriate tool projection length to prevent interference with workpieces
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 |
 |
 |
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 |
- (D) indicates the ratio of the tapping length to the outside diameter.
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 Long Metric Threads |
||||||||||||
|
M1.8×0.35 |
P2 |
2109101017 |
5P |
70 |
8 |
- |
27 |
3 |
2.5 |
5 |
2 |
4 |
|
M2×0.4 |
P2 |
2209101021 |
5P |
100 |
8 |
15 |
27 |
3 |
2.5 |
5 |
2 |
5 |
|
M2.5×0.45 |
P3 |
2209101029 |
5P |
100 |
8.1 |
15 |
32 |
3 |
2.5 |
5 |
3 |
5 |
|
M3×0.5 |
P3 |
2109101035 |
5P |
100 |
9 |
18 |
32 |
4 |
3.2 |
6 |
3 |
5 |
|
M3.5×0.6 |
P3 |
2109101038 |
5P |
100 |
11 |
20 |
36 |
5 |
4 |
7 |
3 |
5 |
|
M4×0.7 |
P3 |
2109101042 |
5P |
100 |
11 |
21 |
36 |
5 |
4 |
7 |
3 |
5 |
|
M4.5×0.75 |
P3 |
2109101045 |
5P |
100 |
13 |
24 |
40 |
5.5 |
4.5 |
7 |
3 |
5 |
|
M5×0.8 |
P3 |
2109101049 |
5P |
100 |
13 |
25 |
40 |
5.5 |
4.5 |
7 |
3 |
5 |
|
M5×0.5 |
P3 |
2109101051 |
5P |
100 |
9 |
25 |
40 |
5.5 |
4.5 |
7 |
3 |
6 |
| แบรนด์สินค้า | YAMAWA |
|---|
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