Boat T-Nut (Diamond Nut)

Boat T-nuts (also called diamond nuts or T-slot nuts) are aluminum-profile accessories widely used in industrial aluminum frame assembly. They act like a nut with an internal thread and are shaped to match aluminum profile slots, making installation convenient.

Available sizes

Boat T-nuts come in many sizes and types. HAHUTECH supplies various fasteners and can manufacture to request.

For custom sizes, drawings, or factory standards, please contact us for consultation and quotation.

Common options are produced in zinc/nickel plated steel, SUS304, SUS316, etc. Below are typical sizes for aluminum 30 and 40 profiles:

• Aluminum 30 boat nut – thread M4
• Aluminum 30 boat nut – thread M5
• Aluminum 30 boat nut – thread M6
• Aluminum 30 boat nut – thread M8
• Aluminum 40 boat nut – thread M3
• Aluminum 40 boat nut – thread M4
• Aluminum 40 boat nut – thread M5
• Aluminum 40 boat nut – thread M6
• Aluminum 40 boat nut – thread M8

For other sizes not listed above, please contact our hotline for consultation and ordering.

Besides boat nuts, there are other slot-nut styles such as leaf nuts and spring ball nuts. Contact us for recommendations.

Materials

Boat nuts are commonly made from aluminum, steel, or stainless steel:

• Carbon steel: strong and durable; zinc/nickel plating improves corrosion resistance and appearance.
• Stainless steel (SUS304, 316): excellent corrosion resistance for humid/outdoor environments (food, chemical, medical, marine industries).
• Aluminum alloy: lightweight with mild corrosion resistance, useful when weight reduction is important.