Tesla Oem Steel Hat Brake Discs

• Being a world leading professional brake parts manufacturer, Winhere produces more than 55 million units of brake discs and 10 million sets of brake pads annually for OEM and IAM. 

• 96%+ car parc coverage of brake discs and brake pads from A to Z for both passenger cars and commercial vehicles. 

• IATF16949, ISO14001, ISO45001, ECE R90, CNAS certificated. 

• National Green Manufacturer and China’s Champion Enterprise awarded by M.I.I.T. and C.F.I.E. 

• National Standard of “Brake Disc for Automobile” GB/T 34422-2017 is led by National Quality Supervision and Inspection Center for automobile parts, Winhere is the responsible drafting company for this national standard.

Core Product Features

1. Combination of drilled holes + directional slots for dual‑optimized friction surface

   Unlike simple slotted‑only rotors, this model adopts precisely machined through‑holes together with angled slots. Slots continuously scrape off glazed layer on brake pads and expel pad dust and grit. Drilled holes accelerate heat dissipation and rapidly vent hot gas generated under heavy braking. The dual‑feature design delivers more thorough cleaning and cooling effect than single‑slot rotors.

2. Optimized hole‑edge processing to relieve stress risk

   Cheap drilled‑slotted discs leave sharp unprocessed hole edges, creating stress concentration points. Under repeated hot‑cold cycling, cracks easily spread outward from holes. Our rotors adopt chamfered hole edges. Precision deburring reduces stress build‑up around each hole, greatly lowering crack risk for street daily use while preserving performance advantages.

3. Vented inner vane structure handles high heat load

   Internal curved ventilation vanes form forced‑air cooling channels. When vehicle is moving, airflow circulates inside the disc body to carry away massive heat generated under hard braking. Matched with surface holes and slots for extra surface heat dissipation, it suppresses brake fade much better than standard smooth rotors during downhill driving or aggressive braking.

4. Precision‑ground friction face, stable braking pedal feel

   Friction surfaces are fine‑finished after drilling and slotting. Strictly control thickness variation and run‑out. It avoids brake pulsation or steering wheel shake during high‑speed braking. Optimized slot angle and hole layout also help new brake pads achieve fast bedding‑in.

5. Piece‑by‑piece dynamic balance compensation for material removal

   Drilling and slotting remove material from friction surfaces, bringing inherent weight deviation. Instead of using standard balance parameters for smooth discs, every finished rotor undergoes independent dynamic‑balance calibration. It offsets weight loss caused by machining, ensuring smooth and vibration‑free high‑speed rotation.

6. Stress‑relieved high‑carbon cast iron blank

   Cast iron raw material is fully stress‑relieved after casting. Uniform hardness distribution across disc body improves resistance against thermal warping and deformation under frequent heavy braking. It avoids partial over‑wear and surface scoring.

7. OE‑standard mounting dimensions for direct swap‑on upgrade

   Center bore, mounting face and wheel bolt holes keep strict OE tolerances. It fits original hub, caliper without modification. Customers can upgrade braking performance directly without changing wheel hubs or brake assemblies.

Product comparison

‑ VS standard smooth vented rotor：Drilled + slotted design improves heat dissipation, gas evacuation and self‑cleaning ability for enhanced braking stability; sport appearance for upgrade market. ‑ VS slotted‑only rotor：Holes add gas venting and extra cooling capacity for heavier braking load. ‑ VS cheap low‑grade drilled‑slotted rotor：Chamfered hole edge reduces stress cracking risk; complete deburring and full dynamic balance; stress‑relieved cast iron blank. ‑ VS full racing rotor：Much more cost‑competitive for street use, without over‑engineering for track‑only extreme conditions.

• 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