Home / Long Screws
Extra-Long Screws & Custom Long Bolts
- Manufacturing
- Custom lengths / production to drawings
- Length
- 10–500 mm
- Thread diameter
- M4–M48
- Thread options
- Fully threaded / partially threaded / double-ended
- Property classes
- 4.8 / 8.8 / 10.9 / 12.9
- Materials
- Carbon steel / alloy steel
Technical Reference
Long screws are often made to order. Selected typical specifications from the original catalog are listed below.
| Size | Typical materials | Maximum length | Thread tolerance | Applications |
|---|---|---|---|---|
| M4 - M6 | Carbon steel / alloy steel | 300 mm | 6g | Precision electronics fastening / small appliance supports |
| M8 - M12 | Carbon steel / alloy steel | 500 mm | 6g | Appliance supports / pump and valve connections |
| M14 - M20 | Carbon steel / alloy steel | 500 mm | 6g | Construction machinery / tooling supports |
Manufacturing Features
- Cold heading or hot forging for long-axis straightness.
- Heat treatment to support toughness and reduce brittle failure.
- Available surface treatments include black oxide, zinc plating and Dacromet.
Discuss Your Requirements
Contact us with the product type, drawing, material, size and quantity you need.
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