No 31 Eyelet Setting Die - Self-Piercing 17 mm KLP0031D
Eyelet Die Self-Drilling, 17 mm - 11/16" Eyelet Setting Die KLP0031D
- Stock Quantity: 999
- Model: KLP0031D
In countries like the USA and the UK that use inch-based systems, or when working with imported equipment, M6 metric threads are more commonly used. For compatibility with international machinery and standards, it is recommended to choose M6 or its closest inch equivalent (1/4"-20 UNC).
In Turkey, M8 metric threads are more commonly used in manufacturing and assembly. Choosing M8 provides easier sourcing and compatibility with locally available machines and tools.
he approximate inch (UNC) equivalents of M6 and M8 metric thread sizes help you compare diameters when working on international projects or with imported equipment. However, since the thread pitches and standards differ, metric and inch threads are not interchangeable — they only provide approximate diameter equivalence.
🔹 M6 (~6 mm diameter)
M6 outer diameter: 6 mm → 6 / 25.4 ≈ 0.236 inch
Closest UNC size: 1/4"-20 UNC
1/4" outer diameter ≈ 0.250 inch → slightly larger than M6.
20 TPI (threads per inch) → Thread pitch ≈ 1.27 mm.
🔹 M8 (~8 mm diameter)
M8 outer diameter: 8 mm → 8 / 25.4 ≈ 0.315 inch
Closest UNC size: 5/16"-18 UNC
5/16" outer diameter ≈ 0.3125 inch → very close to M8.
18 TPI → Thread pitch ≈ 1.41 mm.
🔎 Thread Pitch Comparison (approximate)
M6 standard pitch → 1.0 mm → 25.4 / 1.0 = 25.4 TPI equivalent.
M8 standard pitch → 1.25 mm → 25.4 / 1.25 = 20.32 TPI equivalent.
As you can see, while 1/4"-20 and 5/16"-18 UNC sizes are similar in diameter to M6 and M8 respectively, the thread pitches (TPI) and profiles differ. Therefore, they are not mechanically compatible — they only offer an approximate comparison.
| Product Information | |
| Product Type | Self-Piercing Eyelet Mounting Die Set |
| SIZE / DIMENSION | |
| Size mm / Ligne | 17 mm - 11/16" |
| Size / Number | 17 mm / approx. 0.67 in / close to 11/16 in |
| MATERIAL | |
| Material | Metal / Iron |
| Aplication | |
| Application Type | Self-Piercing |
| Mounting Method | Standard Hand Presses and Suitable Impact Press Systems |
| Usage Area | |
| Most Frequently Used Area | Tarpaulin, Awning Fabric, Banners, Bags, Covers, Technical Textiles |
The No. 31 self-piercing eyelet die set for 17 mm / approx. 11/16 in eyelets is designed for users who need a practical, clean and professional solution for installing large eyelets. It is suitable for No. 31 eyelet applications and helps achieve a neat installation result on compatible materials such as tarpaulin, awning fabric, bags, banners, covers, decorative textile panels and similar technical textile projects.
This product includes 1 upper die and 1 lower die. Thanks to its self-piercing structure, it helps reduce the need for a separate pre-punching step on suitable materials. With the correct press, matching eyelet and proper alignment, the cutting and setting process can be completed in a more practical and controlled way.
| Product Code | KLP0031D |
|---|---|
| Model | No. 31 |
| Compatible Eyelet Size | 17 mm / approx. 0.67 in / close to 11/16 in inner diameter eyelet |
| Package Content | 1 upper die + 1 lower die |
| Product Type | Self-piercing eyelet mounting die set |
| Material | Metal / Iron |
| Press Compatibility | Standard hand presses and suitable impact press systems |
Note: This product does not include eyelets, washers or a press machine. The package includes only 1 set of mounting dies. Eyelets, washers and hand press machines should be purchased separately. Before ordering, please check your press thread size and connection type for compatibility.
The No. 31 - 17 mm / approx. 11/16 in eyelet die set can be used for tarpaulins, awnings, banners, bags, covers, curtains, decorative panels, leather-like materials and technical textile applications. It is especially useful when a wider eyelet opening and a stronger fastening point are required. For the best result, the eyelet size, material thickness, washer selection and press pressure should be compatible with each other.
In standard eyelet applications, the material usually needs to be punched first and the eyelet is then installed in a separate step. A self-piercing die helps simplify this process on suitable materials by supporting cutting and setting during the same press action. This can save time, improve workflow and help achieve a more consistent installation in repetitive applications.
This die set is compatible with No. 31 eyelets and is designed for 17 mm / approx. 0.67 in / close to 11/16 in inner diameter eyelet applications.
A self-piercing die helps pierce and set the eyelet during the same press action on suitable materials, reducing the need for a separate pre-punching step.
The package includes 1 upper die and 1 lower die. It is supplied as 1 complete eyelet mounting die set.
No. This product includes only the die set. The hand press machine, eyelets and washers are sold separately unless otherwise stated.
It can be used with standard hand presses and suitable impact press systems. Please check the connection and thread size of your press before ordering.
It can be used for tarpaulin, awning fabric, banners, bags, covers, curtains, decorative textile panels and technical textile applications.
Dear Customer,
We aim to ensure you have the best experience with your order process. Please note that the prices listed apply to standard color options. If you prefer different colors, enamel finishes, or stone embellishments, a price adjustment will be made based on the cost of the additional materials.
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For large orders of 20,000 pieces or more, please contact us for special pricing.
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