Robustness and reliability for your onboard projects. These cylindrical head screws, according to DIN 7985 standard, size 4 x 40 mm, are made from A4 stainless steel (AISI 316), recognized for its unbeatable corrosion resistance in nautical environments.
Technical features
- Type: Standard metric thread DIN 7985
- Diameter: 4 mm
- Length: 40 mm
- Material: A4 stainless steel (AISI 316)
- Quantity: Blister pack of 6 units
| Standard | DIN 7985 |
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| Material | A4 stainless steel (AISI 316) |
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| Diameter | 4 mm |
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| Length | 40 mm |
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| Units | 6 |
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Advantages
- Recommended for fastening elements subjected to vibrations on boats and sailboats.
- Long service life under extreme marine conditions.
- Blister packaging: easy organization and transport onboard.
Applications
- Assembly of hardware, hinges, and stanchions.
- Installation of structural elements such as hatches, handrails, and benches.
- Stacking and reinforcement in marine furniture.
Assembly tips
- Use a specific stainless steel lubricant in installations exposed to high salinity.
- Combine with stainless washers and nuts to avoid galvanic corrosion.
- Apply the correct tightening torque according to the type of material to fix.
