Precision CNC Machining For Custom Hexagon Bolts & Nuts – OEM Services

High-Quality Hex Fasteners for Demanding Applications

We specialize in precision CNC machining of custom hex bolts and nuts, delivering OEM-grade fasteners with exacting tolerances and superior strength. Our CNC turning and threading capabilities ensure perfect-fit components for critical assemblies in aerospace, automotive, machinery, and construction.

PRODUCT DETAILS

1 . Material Options

• Carbon Steel : Grade 4.8, 8.8, 10.9, 12.9

• Stainless Steel : 304 (A2), 316 (A4), 410, 17-4PH

• Alloy Steel : 4140, 4340, heat-treated for high strength

• Exotic Metals : Titanium (Gr. 2, 5), Inconel, Aluminum 6061/7075

2 . Manufacturing Process

• CNC Turning & Threading : ±0.05mm tolerance

• Thread Types : Metric (M), UNC/UNF, Whitworth, BSW, or custom profiles

• Secondary Operations :

  • Heat treatment (quenching & tempering)

  • Surface finishing (zinc plating, hot-dip galvanizing, black oxide)

  • Anti-galling treatments (PTFE coating, Xylan)

3. Product Specifications

5. Applications

• Aerospace: Engine mounts, structural assemblies

• Automotive: Suspension systems, drivetrain components

• Heavy Machinery: Excavators, hydraulic systems

• Energy: Wind turbine bolting, oil rig equipment

WHY CHOOSE OUR HEX BOLTS & NUTS?

✔ Precision Fit – CNC-machined for perfect thread engagement
✔ Material Expertise – From standard steels to superalloys
✔ Fast Turnaround – Prototypes in 5 days, production in 2-4 weeks
✔ Custom Solutions – Non-standard sizes, drive types, and coatings

ORDERING INFORMATION

• MOQ : 1000 pieces (lower for prototypes)

• Packaging : Bulk boxes, blister packs, or custom kitting

• Global Shipping : FOB, CIF, or DDP terms available

Submit your CAD files or drawings for a free machining quote today!

Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.
We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful quality control system, and professional customer service... We will offer professional services, high-quality products and favorable prices. We sincerely welcome domestic and foreign customers to cooperate with us!