Custom Fasteners Manufacturing Services
Our custom fastener service delivers tailored, high-precision joining solutions engineered to meet exacting design requirements that off-the-shelf components cannot satisfy. By combining advanced fastener manufacturing, precision cold heading, and custom threading capabilities, we transform complex CAD specifications into durable, high-performance fasteners optimized for critical industrial applications.
Hetai Specialized Offerings
Non-Standard Fasteners Service: Custom-engineered bolts, screws, nuts, studs, and rivets featuring non-standard thread pitches, extended shaft lengths, metric/imperial hybrids, or unique shoulder dimensions designed specifically for custom assemblies.
Special-Shaped Fasteners: Complex geometries including multi-step shafts, eccentric heads, slotted pins, keyed bolts, captive designs, and hollow-core fasteners manufactured to resolve unique spatial constraints or load-bearing challenges.
Precision Tolerances: Tight-tolerance machining up to $\pm 0.01\text{ mm}$ to ensure flawless fitment in high-vibration and high-stress environments.
Secondary Operations: Custom knurling, cross-drilling, surface grooves, anti-rotation flats, and locking mechanisms.
Material & Finishing Options
| Category | Supported Materials & Finishes |
| High-Performance Metals | Stainless Steel (304, 316, 17-4PH), Alloy Steel, Titanium (Grade 2, Grade 5), Brass, Aluminum, Inconel, Copper |
| Protective Finishes | Zinc Plating, Black Oxide, Anodizing, Passivation, Dacromet, PTFE Coating, Cadmium Plating |
HEtai Key Service Advantages
Tailored Engineering Support: Complete Design for Manufacturability (DFM) reviews to optimize custom fastener strength, cost, and weight.
Flexible Volume Capabilities: Efficient production workflows for low-volume prototyping, bridge production, or large-scale manufacturing.
Rigorous Quality Assurance: 100% optical sorting, thread gauge inspection, tensile strength testing, and full material certification (MTRs).
Industry Applications
Aerospace & Defense: Lightweight titanium special-shaped bolts and high-strength structural studs.
Automotive & EV: Custom battery-pack fasteners, high-torque chassis bolts, and specialized terminal pins.
Heavy Machinery & Energy: Large-diameter non-standard anchor bolts, flange studs, and corrosion-resistant marine fasteners.
Medical Devices & Electronics: Micro-sized non-standard screws, captive fasteners, and non-magnetic stainless components.
