Catalog > Electro-Mechanical Components > Heatsinks > Special Type Heatsink 11,5K/W with Center Drilling for 11,5K/W Heatsink Heatsink 11,5K/W with Center Drilling (Custom Made) Part No: SK09-37,5SA-SL Call for Price (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features with Center Drilling