High-Precision Sex Bolts & Sleeve Fasteners
When structural assemblies demand clean aesthetics, dual-sided safety, and superior clamping performance, standard bolt-and-nut combinations often fall short due to exposed threads and uneven stress distribution. Our newly engineered Male & Female Sleeve Fasteners (Sex Bolts / Binding Posts) provide an exceptional industrial fastening solution designed for seamless installation, high structural integrity, and effortless re-usability.
Core Product Features
Dual-Sided Flush Finish & Enhanced Safety: Featuring low-profile or flat countersunk heads on both ends, this dual-fastener system eliminates protruding male threads, preventing accidental snagging or injury while delivering a refined, professional finish.
Uniform Load Distribution: The large head contact area distributes clamping force evenly across the joint, preventing cracking or deformation in thin sheet metals, composites, or brittle plastics.
Vibration Resistance & High Serviceability: Precision-machined 6H/6g thread fits paired with optional pre-applied nylon patches effectively resist thermal expansion and dynamic vibrations, while remaining simple to disassemble during field maintenance.
Superior Concentricity: Manufactured using advanced multi-station cold forging and CNC machining, the female sleeve acts as a precise dowel alignment pin while bearing high shear forces.
Key Technical Specifications
| Parameter | Options & Specifications |
| Material Options | Stainless Steel (SUS304 / SUS316), Alloy Steel, Brass, Aluminum |
| Thread Sizes | Metric: M3 to M12 / Imperial: #4-40 to 1/2"-13 (Custom pitches available) |
| Drive & Head Styles | Truss Head, Flat Countersunk, Button Head / Hex, Torx, Tamper-Resistant Drive |
| Sleeve Dimensions | Barrel Outer Diameter: 4.0mm – 16.0mm / Length tailored to application grip range |
| Surface Treatments | Passivation, Zinc/Nickel Plating, Anodizing, Pre-applied Locking Patch |
| Compliance | RoHS & REACH compliant; ISO 9001 certified manufacturing |
Target Applications
Sheet Metal & Industrial Enclosures: Through-hole assembly for server racks, control cabinets, and telecom equipment housings.
Architectural Hardware & Glazing: Architectural balustrades, glass curtain walls, commercial door hardware, and decorative interior paneling.
Transportation & Automotive Interiors: Cabin wall paneling, seating frames, and interior modules subjected to continuous operation vibrations.
Modular Furniture & Display Systems: High-end metal-to-wood joinery and display fixtures requiring a flawless double-sided appearance.