Precision CNC Machining for Custom Ball Head Bolts

Precision CNC Machining for Custom Ball Head Bolts

Ball head bolts are widely used in linkage mechanisms, suspension systems, and adjustable components due to their ability to support multi-angle articulation. Precision and material strength are critical to ensure reliable operation under stress, vibration, and environmental conditions.

At HKAA, we provide CNC machining services for custom ball head bolts, tailored to meet the specific needs of industries like automotive, robotics, construction machinery, and medical equipment.

We use high-precision turning and milling to achieve optimal roundness, thread integrity, and surface finishes. Our CNC machined bolts offer excellent fitment, fatigue resistance, and repeatability.

🔧 Our Capabilities

• ✅ Tight roundness tolerance: within ±0.01mm

• ✅ Threads: metric, UNC/UNF, custom pitch

• ✅ Materials: stainless steel, 42CrMo, alloy steel, titanium, etc.

• ✅ Surface treatment: black oxide, zinc plating, anodizing

• ✅ Heat treatment options for hardness and wear resistance

✅ Case Study: Automotive Ball Head Bolt for Suspension Linkage

In 2024, HKAA supplied a custom ball head bolt for a European aftermarket suspension parts brand. The bolt was used in the upper control arm linkage of a high-performance off-road vehicle.

Project Specs:

• Material: 42CrMo alloy steel, quenched and tempered

• Head roundness: ≤0.01mm deviation

• Threads: M12×1.5, rolled not cut

• Surface finish: black zinc plating

• Load test: passed 100,000-cycle fatigue test at 5kN load

The customer reported a 98% reduction in field failures compared to their previous supplier and expanded the order to 15,000+ pieces annually.