GB923 Hexagon Acorn Nuts Carbon Steel Black Oxide Fasteners

GB923 Hexagon Acorn Nuts are high-quality fasteners designed to perfectly cover exposed bolt and screw threads, providing a smooth hemispherical covering surface. Also known as Cap Nuts or Dome Nuts, these fasteners feature a compact, refined appearance and are manufactured from durable carbon steel or stainless steel for long-lasting performance.

The precision hexagonal shape ensures easy gripping and tightening with standard tools such as wrenches, pliers, or spanners.

• High precision threading for snug fit and low friction
• Excellent corrosion and rust resistance with various finishes
• Smooth dome shape for safety against sharp edges and scratches
• Seals ends of bolts to prevent leakage, dirt, and corrosion ingress

We offer comprehensive OEM and ODM services to meet your specific requirements:

• Custom head styles, drive types (Phillips H / Pozidriv Z), and thread designs
• Special lengths, diameters, and tolerances
• Specific material grades and surface finishes
• Custom packaging with your branding (labels, boxes, bags, blister packs)
• Logo engraving on screw heads

• Professional fastener manufacturer with over 10 years of export experience
• Advanced automatic cold heading and thread rolling equipment ensuring consistent quality and fast delivery
• Strict quality control system from raw material sourcing to finished product
• Competitive factory-direct pricing with no middlemen
• Responsive customer service and technical support
• Flexible MOQ to accommodate both trial orders and bulk shipments

Email: rainting@ybfasteners.com

Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Custom packaging configurations are available upon request. Small cartons are consolidated into larger master cartons for secure transportation. Palletized units are wrapped with waterproof film and reinforced with packaging straps, with custom shipping marks available.