Nautical A4 Countersunk Allen Screw - BF19584

Select this countersunk Allen screw made of A4 stainless steel marine grade (AISI 316) to ensure durable, rust-free fastening anywhere on your boat. Its UNC 10-24 thread and 1 1/2" length make it ideal for assemblies requiring extra reach.

Technical Features

• Material: A4 stainless steel (AISI 316), maximum protection against saltwater.
• Countersunk Allen head: flat finish and easy mounting.
• Thread: UNC 10-24 (standard American coarse thread).
• Length: 1 1/2".

Main Advantages

• Secure mounting without protruding: ideal for flat surfaces.
• Eases disassembly with standard Allen tools.
• Long service life in aggressive saline environments.

Typical Nautical Uses

• Repairs and mounting of accessories on motor and sailing boats.
• Fixing components in cabins, decks, and wet areas.
• Maintenance of demanding nautical equipment.

Practical Tips

• Apply specific lubricant for stainless steel during assembly to avoid seizing.
• Do not mix with screws of different alloys to prevent galvanic corrosion.

Technical Specification Table