Buick Drilled Silver Paint Brake Discs

•Crafted for drivers seeking an exceptional driving experience and the professional automotive repair industry, our brake discs represent the perfect fusion of safety and performance. Originating from Shandong, China, our products integrate advanced turning and grinding techniques, ensuring every detail undergoes precision machining.

•Diverse Material Options: Gray cast iron and high-carbon steel to meet diverse vehicle requirements

•Rich Color and Size Selection: Gray, black, and metallic finishes blending aesthetics with performance

•Internationally Certified: IATF16949 and ECE R90 compliant for trusted quality

•Comprehensive Anti-Corrosion Treatment: Oil immersion, spray painting, and zinc powder coating extend service life

Customization + Flexible Packaging:

Private Label

Personalized Custom Labels

Multiple Packaging Options: Boxes, Cartons, Pallets

Brake Disc Features

• The visual impact of a silver-painted brake disc should not be underestimated. When a wheel is removed—whether for tire rotation, brake service, or simply to admire the craftsmanship—the disc becomes a focal point of the wheel well. The silver finish on this disc provides a bright, reflective surface that resists the dulling effects of corrosion and brake dust. It signals attention to detail, a commitment to quality that extends beyond the components that are visible from the driver's seat. But the silver paint is not merely cosmetic. The coating applied to the non-friction surfaces—the hub, the edge, and the hat section—provides a durable barrier against moisture, road salts, and chemical de-icers. In climates where winter conditions and coastal humidity accelerate rust formation, this painted finish preserves both the appearance and structural integrity of the disc, preventing the corrosion that can cause discs to bond to wheel flanges and complicate future service.

• The drilled pattern on this disc serves a purpose that extends beyond thermal management. The perforations create a distinctive aesthetic that signals performance capability before the driver even turns the key. But the function is what matters most. Each hole provides an escape route for the boundary layer of gases that can reduce friction efficiency during hard stops. Each hole evacuates water during wet conditions when a film between pad and disc can delay stopping response. Each hole flushes away the brake dust that accumulates through normal wear, preventing the build-up that can cause uneven pad contact and compromise stopping performance. The hole pattern is optimized to balance thermal benefits with structural integrity, with chamfered edges that reduce stress concentrations and prevent the micro-cracking that can form around perforations under thermal cycling.

• The 315mm diameter of this disc represents a sizing that is particularly well-suited to Buick's midsize sedan and crossover lineup. Large enough to provide the leverage that multiplies clamping force for confident stopping, yet compact enough to keep unsprung weight within the range that preserves the ride quality Buick is known for. The 67.5mm combined thickness reflects a ventilated structure that provides the thermal mass necessary for absorbing heat during repeated braking events. For Buick vehicles that see regular highway cruising interspersed with urban stop-and-go, this disc delivers the thermal capacity needed for consistent performance without the weight penalty that would compromise suspension response. The result is a brake system that stops with authority while maintaining the supple ride that makes Buick a preferred choice for comfort-oriented drivers.

• The ventilation structure inside this disc employs a vane geometry that maximizes airflow through the rotor core. As the wheels rotate, the vanes act as centrifugal impellers, drawing cool air from the hub area and accelerating it outward through the gap between the friction plates. This continuous air exchange carries heat away from the friction surfaces, preventing the temperature buildup that leads to fade and pedal softening. For Buick drivers who value consistent performance across varied driving conditions—from the stop-start rhythm of city traffic to the sustained demands of highway travel—this thermal management ensures that braking response remains predictable and controlled.

• The material composition of this disc reflects the performance expectations of the modern Buick lineup. High-carbon G3000 cast iron provides the hardness to resist scoring and grooving while maintaining the ductility to absorb thermal expansion without warping. The elevated carbon content also dampens high-frequency vibrations, reducing the transmission of brake squeal through the suspension and preserving cabin quietness. The material consistency is maintained through rigorous foundry controls that ensure every disc delivers the same performance characteristics. The compatibility with multiple pad compounds—semi-metallic, low-steel, ceramic, and ceramic copper-free—allows installers and vehicle owners to match the disc with pads that suit their driving priorities, whether that is maximum durability, quiet operation, or minimal dust production.

• The precision machining of this disc achieves a friction surface finish that minimizes disc thickness variation and run-out. The turning and grinding operations produce a flat, parallel friction face that eliminates the pedal pulsation and steering wheel vibration that can degrade the driving experience. The grinding process also creates a micro-texture that promotes rapid pad bedding, ensuring that the braking system delivers optimal performance from the first stop. For independent workshops, this machining quality translates to fewer comebacks and satisfied customers. For Buick owners, it means smooth, vibration-free braking across the service life of the disc, preserving the refined driving experience that defines the brand.

• The global certification framework gives this disc credibility across multiple markets. ECE R90 approval confirms that its braking efficiency meets or exceeds the original equipment reference, with documented dynamometer testing for friction coefficient, speed sensitivity, and thermal stability. The IATF 16949-certified production facility ensures consistent quality and dimensional accuracy, while the ISO14001 and ISO45001 certifications reflect environmental and occupational standards. The AMECA certification supports regulated commercial applications. Whether destined for a Buick sedan in North America, a fleet vehicle in South America, or a distributor serving the Eastern European market, this disc arrives with the traceability and documentation that professional buyers require. And with private label and customized branding options available, distributors can offer this disc under their own identity, backed by the same rigorous quality standards. The combination of silver paint aesthetics, drilled performance engineering, and comprehensive certification makes this disc a compelling choice for Buick owners who refuse to compromise on safety, performance, or visual integrity.

• 100% critical dimensions, runout and DTV inspection 

• Material physical and chemical inspection

• Test shear strength, compressibility, density, flatness and parallelism 

• Test performance and noise/NVH