Precision Cold-Forged Industrial Components
High-volume structural screws, nuts, bolts, and custom fasteners manufactured to tight tolerances from high-grade carbon and alloy steel.
M2-M24
size range
±0.02mm
critical tolerances







Engineered Fastener Portfolio
Standard and drawing-specific components optimized for shear strength and grain-flow alignment.
Cold-Forged Structural Parts
Precision Threaded Fasteners
Solid Pins & Rivets
Custom engineered components with continuous grain flow for high-stress automotive and heavy machinery applications.
High-tensile bolts, heavy hex nuts, and custom screws manufactured to global standards including DIN, ISO, and ASTM.
Heavy-duty fastening pins, solid rivets, and custom bushings designed for high-vibration structural joints.
Strict Tolerance Engineering
Material Specifications
Dimensional Capabilities
We process carbon steel, alloy steel, stainless steel, and aluminum. Our cold-heading process aligns the metal grain structure, increasing tensile strength and resistance to fatigue.
All custom components undergo rigorous dimensional verification. We provide full PPAP Level 3 documentation, material test reports, and plating thickness certifications.
• Thread Sizes: M2 to M24 • Shank Lengths: Up to 300mm • Secondary CNC: Turning, Tapping, Slotting • Surface Finishes: Zinc, Geomet, Anodizing, Black Oxide
10.9 / 12.9
available steel grades
Submit Your Engineering Drawings
Send us your CAD files for technical review. Our engineers analyze material flow and tolerances to provide an accurate OEM production quote within 24 hours.
Hoa Khoa Manufacturing
OEM Cold Forging & Custom Fasteners
SITEMAP
Home
Products
Capabilities
Request Quote
Contact
FACTORIES
Dongguan, China & Ninh Binh, Vietnam
huake1688@gmail.com
+86 18925847377
© 2026 Hoa Khoa Manufacturing-Direct-from-factory OEM production since 2008.
DUAL-FACILITY REDUNDANCY