Custom SUS304 Stainless Steel CNC Machined Countersunk Hexagon Socket Rivet Non-Standard Special-Shaped Fastener

Situo Hardware specializes in custom SUS304 stainless steel countersunk hexagon socket rivets, featuring inner-outer hex special-shaped designs for non-standard riveting applications. These mechanical hardware fasteners serve tooling fixtures, inspection jigs, precision equipment modules, sheet-metal assemblies, instrument housings, and mechanical riveting applications.

Manufactured from SUS304 stainless steel bar stock using cold forging die one-piece forming process, these rivets feature continuous metal grain flow for improved tensile and impact resistance. The countersunk head sits flush after installation, while the combined inner hexagon socket and external hex profile provide composite special-shaped structure for pre-tightening, positioning, and permanent riveting lock.

• SUS304 Stainless Steel: Provides reliable corrosion resistance and high toughness to prevent cracking during riveting
• Cold-Forging Die One-Piece Forming: Ensures complete metal grain flow for superior tensile, vibration, and shock resistance
• Combined Inner-Outer Hex Design: Enables wrench-driven pre-positioning and anti-rotation function for flexible assembly
• Non-Standard Customization: Custom countersink angles, hex sizes, shank dimensions, and rivet-end shapes available
• Optional Surface Treatments: Standard deburring and passivation, with polishing available for bright finish
• Strict Quality Control: Comprehensive inspection process ensures dimensional accuracy and batch consistency

• Sheet-metal positioning on tooling & inspection jigs
• Flush-mount riveting fasteners for equipment housings and instrument panels
• Non-standard rivets requiring screw-in pre-positioning for automation modules
• Special-profile rivet parts for embedded countersunk riveting of sheet-metal enclosures
• Riveting structures needing anti-rotation function
• Mechanical riveting applications where protruding heads must be avoided

Our company implements 8S management and maintains ISO9001 and TS16949 automotive certifications. With 300 employees including 20 technicians, 10 engineers, and 15 quality control personnel, we ensure consistent quality across all production batches.