Product Features

Tapping for through holes
How to use IPO

When hand tapping, always Machine tapping with drilling
use tap wrench machine
■Table for bored and drilled hole sizes
| Size | Minor Diameter of Internal Thread Size | Drill Size |
Thread Engagement |
||
| Minimum Tolerance |
Maximum Tolerance | ||||
| 6H (2nd Class) | 7H (3rd Class) | ||||
| M3 × 0.5 | 2.459 | 2.599 | 2.639 | 2.6(2.5) | 74%(92%) |
| M4 × 0.7 | 3.242 | 3.422 | 3.466 | 3.4(3.3) | 79%(92%) |
| M5 × 0.8 | 4.134 | 4.344 | 4.384 | 4.3(4.2) | 81%(92%) |
| M6 × 1 | 4.917 | 5.153 | 5.217 | 5.1(5.0) | 83%(92%) |
| M8 × 1.25 | 6.647 | 6.912 | 6.982 | 6.9(6.8) | 91%(89%) |
| M10 × 1.5 | 8.376 | 8.676 | 8.751 | 8.6(8.5) | 86%(92%) |
note1) Recommended drill sizes shown in this table are for internal threads of 7H class(3rd class), and are selected from the standard drills available in the
market.
note2) Drill sizes shown in brackets in this table are for such case as the drilling has oversize cutting tendency or for internal threads of 6H class(2nd class).
【Related products】
Shank adjuster

Specification

Tapping Speeds depending on Materials


Blister Pack
Segment:1E
|
Size |
Code |
Chamfer |
L (mm) |
ℓ (mm) |
ℓn (mm) |
ℓs (mm) |
Ds (mm) |
K (mm) |
ℓk (mm) |
No. of flutes |
TYPE |
|
|
For Metric Threads |
||||||||||||
|
M3×0.5 |
PI73.0GBP |
5P |
46 |
9 |
14 |
26 |
4 |
3.2 |
6 |
3 |
1 |
|
|
M4×0.7 |
PI74.0IBP |
5P |
52 |
11 |
17 |
29 |
5 |
4 |
7 |
3 |
1 |
|
|
M5×0.8 |
PI75.0KBP |
5P |
60 |
13 |
22 |
33 |
5.5 |
4.5 |
7 |
3 |
1 |
|
|
M6×1 |
PI76.0MBP |
5P |
62 |
15 |
26 |
33 |
6 |
4.5 |
7 |
3 |
1 |
|
|
M8×1.25 |
PI78.0NBP |
5P |
70 |
19 |
- |
36 |
6.2 |
5 |
8 |
3 |
2 |
|
|
M10×1.5 |
PI7010OBP |
5P |
75 |
23 |
- |
38 |
7 |
5.5 |
8 |
3 |
2 |
|
| แบรนด์สินค้า | YAMAWA |
|---|
