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Since its inception, Ganggu has focused on the development and manufacturing of high-quality hardware fasteners and precision CNC machining services.

Cap Nuts
Cap Nuts, also known as acorn nuts, are specialized fasteners with a domed top that fully covers exposed bolt threads and heads. Our custom Cap Nuts comply with international standards such as DIN 1587 and ISO 1212, available in various materials and sizes to meet diverse industrial needs. The integrated domed design not only provides excellent corrosion protection by blocking dust, moisture and corrosive media, but also delivers a neat, polished appearance, making them ideal for visible fastening scenarios. We offer custom Cap Nuts with personalized specifications, surface treatments and materials, ensuring high precision, strong load-bearing capacity and long service life, widely used in construction, furniture, automotive and marine industries. Core keywords: Cap Nuts, acorn nuts, custom Cap Nuts.
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304 316 Stainless Steel Acorn Nuts — Hex Dome Cap Nuts, M3 to M20
These stainless steel acorn nuts combine a hex body with a closed dome, so a stud end is covered rather than left exposed. The hex dome cap nuts shown here are polished to a mirror finish in 304 and 316 stainless steel, in sizes from M3 to M20, with coarse and fine pitches listed per size. Because the dome closes the end, the thread is shielded from dust and the joint gets a rounded, snag-free appearance. Buyers who specify 304 stainless steel cap nuts usually cover indoor and general outdoor work, while 316 is chosen near salt water and chlorides. Height, across-flats, pitch, finish, marking and packaging can be customized.
Contact: Angel
Contact number: +86 18602085825
WhatsApp: +86 18602085825
Address: Room 101, Building 2, No.11 jintang Road,changping Town, Dongguan City, Guangdong Province, CN
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