Eisen, Japan
Eisen TW Series Three-wire Gauge
Made in Japan
Manufacturer: Eisen Co., Ltd.
Model: TW Series
About the Series
The three-wire gauge pin can be removed from the chain.
Precision and specifications
| Part number | tolerance | Roundness and diameter variation |
Mutual difference | Surface roughness | Hardness |
|---|---|---|---|---|---|
| TW (steel) |
±2.0μm | 0.5μm | 0.5μm | 0.05μm Ra | Over 58 HRC |
| TWW (Carbide) |
90.6 HRA | ||||
| TWZ (zirconia ceramics) |
89 HRA |
(Inspection report included)
How to calculate the effective diameter
Series Details
Three-wire gauge TW series
| Set number | Nominal needle diameter (mm) |
Applicable screw type and pitch or number of threads | Price (yen) | ||
|---|---|---|---|---|---|
| Metric threads | Unified thread | Parallel pipe thread | |||
| Pitch mm | Number of mountains | Number of mountains | |||
| TW-01 TW-02 TW-03 |
0.1155 0.1443 0.1732 |
0.2 0.25 0.3 |
– – 80 |
— |
20,000 |
| TW-04 TW-05 TW-06 |
0.2021 0.2309 0.2598 |
0.35 0.4 0.45 |
72 64 56 |
— |
|
| TW-07 TW-08 TW-09 |
0.2887 0.3464 0.4330 |
0.5 0.6 0.75 |
48 44,40 – |
— |
|
| TW-10 TW-11 TW-12 |
0.5196 0.5774 0.7217 |
– 1 1.25 |
28 24 20 |
28 – – |
|
| TW-13 TW-14 TW-15 |
0.7954 0.8949 1.0227 |
– 1.5 1.75 |
18 16 14 |
– – 14 |
|
| TW-16 TW-17 TW-18 |
1.1547 1.1932 1.3016 |
2 – – |
13 12 11 |
— 11 |
|
| TW-19 TW-20 TW-21 |
1.4434 1.5908 1.7897 |
2.5 – 3 |
10 9 8 |
— |
|
| TW-22 TW-23 TW-24 |
2.0454 2.3863 2.5981 |
3.5 4 4.5 |
7 6 – |
— |
|
| TW-25 TW-26 TW-27 |
2.8868 3.1817 3.5794 |
5 5.5 – |
5 4 1/2 4 |
— |
|
| TW-28 TW-29 TW-30 |
0.4041 0.4619 0.7536 |
0.7 0.8 – |
36 32 – |
– 19 |
|
| TW-31 | 3.4641 | 6 | – | – | |
| Set number | combination | price |
| TW – TS | TW-01 to TW-31 | 589,000 |
Carbide Three-wire Gauge TWW Series
| Set number | Nominal needle diameter (mm) |
Applicable screw type and pitch or number of threads | Price (yen) | ||
|---|---|---|---|---|---|
| Metric threads | Unified thread | Parallel pipe thread | |||
| Pitch mm | Number of mountains | Number of mountains | |||
| TWW-04 TWW-05 TWW-06 |
0.2021 0.2309 0.2598 |
0.35 0.4 0.45 |
72 64 56 |
— |
40,000 |
| TWW-07 TWW-08 TWW-09 |
0.2887 0.3464 0.4330 |
0.5 0.6 0.75 |
48 44,40 – |
— |
|
| TWW-10 TWW-11 TWW-12 |
0.5196 0.5774 0.7217 |
– 1 1.25 |
28 24 20 |
28 – – |
|
| TWW-13 TWW-14 TWW-15 |
0.7954 0.8949 1.0227 |
– 1.5 1.75 |
18 16 14 |
– – 14 |
|
| TWW-16 TWW-17 TWW-18 |
1.1547 1.1932 1.3016 |
2 – – |
13 12 11 |
— 11 |
|
| TWW-19 TWW-20 TWW-21 |
1.4434 1.5908 1.7897 |
2.5 – 3 |
10 9 8 |
— |
|
| TWW-22 TWW-23 TWW-24 |
2.0454 2.3863 2.5981 |
3.5 4 4.5 |
7 6 – |
— |
|
| TWW-25 TWW-26 TWW-27 |
2.8868 3.1817 3.5794 |
5 5.5 – |
5 4 1/2 4 |
— |
|
| TWW-28 TWW-29 TWW-30 |
0.4041 0.4619 0.7536 |
0.7 0.8 – |
36 32 – |
– 19 |
|
Zirconia ceramic three-wire gauge TWZ series
| Set number | Nominal needle diameter (mm) |
Applicable screw type and pitch or number of threads | Price (yen) | ||
|---|---|---|---|---|---|
| Metric threads | Unified thread | Parallel pipe thread | |||
| Pitch mm | Number of mountains | Number of mountains | |||
| TWZ-04 TWZ-05 TWZ-06 |
0.2021 0.2309 0.2598 |
0.35 0.4 0.45 |
72 64 56 |
— |
40,000 |
| TWZ-07 TWZ-08 TWZ-09 |
0.2887 0.3464 0.4330 |
0.5 0.6 0.75 |
48 44,40 – |
— |
|
| TWZ-10 TWZ-11 TWZ-12 |
0.5196 0.5774 0.7217 |
– 1 1.25 |
28 24 20 |
28 – – |
|
| TWZ-13 TWZ-14 TWZ-15 |
0.7954 0.8949 1.0227 |
– 1.5 1.75 |
18 16 14 |
– – 14 |
|
| TWZ-16 TWZ-17 TWZ-18 |
1.1547 1.1932 1.3016 |
2 – – |
13 12 11 |
— 11 |
|
| TWZ-19 TWZ-20 TWZ-21 |
1.4434 1.5908 1.7897 |
2.5 – 3 |
10 9 8 |
— |
|
| TWZ-22 TWZ-23 TWZ-24 |
2.0454 2.3863 2.5981 |
3.5 4 4.5 |
7 6 – |
— |
|
| TWZ-25 TWZ-26 TWZ-27 |
2.8868 3.1817 3.5794 |
5 5.5 – |
5 4 1/2 4 |
— |
|
| TWZ-28 TWZ-29 TWZ-30 |
0.4041 0.4619 0.7536 |
0.7 0.8 – |
36 32 – |
– 19 |
|
Related Products
REQUEST QUOTATION
PAYMENT
LINK
