USA 818-436-2253 || sales@heatsinkonline.com
USA 818-436-2253 || sales@heatsinkonline.com
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F.A.Q.s

Shipping & Delivery & Returns
  • Where are you located? Where will my order be shipped from?
We have two main facilities. California, USA and Istanbul, TURKEY. All orders placed from USA, Canada, Mexico and South America will be fulfilled from our California, USA facility. All other orders placed from continental Europe, Middle East, Africa, Asia Pacific Countries and Australia will be fulfilled from our Istanbul, TURKEY factory.
  • What are your shipping options?
We use UPS and USPS to ship our products.

If you would like us to use your shipping account (UPS or FedEx), please select ''I have a UPS/FedEx Account'' shipping option during checkout. You can add your Account number as a Note to your order or e-mail / contact us and share your carrier account after completing your order.
  • Do you ship International?
We can virtually ship every country that UPS and USPS will deliver. Please note that there may be some size and weight restrictions along with country specific regulatory limitations.
  • How do you Calculate Shipping Cost?
Shipping costs are calculated based on weight/size of the heatsinks in your cart. The weight information of our heatsinks are listed on product pages.

  • Why do I see only ''I have a UPS/FedEx Account'' shipping option at Checkout?
All shipping companies has its own weight and size limitations. It's most likely total weight and/or size of the Heatsinks in your Cart exceeds the limit of shipping carrier (UPS / USPS). In that case, please contact us if you don't see any shipping price during checkout so we can send a quote for you.
  • What is your return policy?

Standard Products that are ordered with no modification / fabrication / customization requests are returnable in its original unused condition. All returns are subject to HEATSINKONLINE's approval and require RMA# (Return Material Authorization). Unauthorized returns will be refused. Restocking fee of %20 are applied to standard products returns and return shipment costs are at customers expense. Any shipping and handling fees are non-refundable.

Custom products that are defined as all products ordered with modification / customization / fabrication / finishing requests including but not limited to cut-to-length, cut-to-width, drilling, tapping, milling, anodizing, powder coating or custom die tooling are non-returnable and non-refundable, unless there is HEATSINKONLINE's defect.

    • What if my shipment is Damaged, Lost or Stollen?

    Although we pack all shipments with the greatest care, there may be the occasion when a shipment arrives damaged.

    If you receive a shipment with obvious carton damage, DO NOT accept it. If you do accept it, insist on a damaged notation on the freight bill by the delivery person before you accept the shipment.

    All damage claims must be made to HEATSINKONLINE within 48 hours of delivery. We require a photo of Damaged Product and Packing. DO NOT discard any Product or Packing Material. HEATSINKONLINE will file a claim with the shipping company based on the information you provide. Failure to report required information in this time frame could result in a claim being denied by the carrier. If this occurs, HEATSINKONLINE cannot accept responsibility for the damages.

    Please check General Terms and Conditions for more information.


    Products & Services

    • What is your average lead time for orders?

    We carry a large inventory of Heatsinks in all our locations to fulfill orders. Most of our standard in-stock item orders are processed and fulfilled Next Business Day. Please contact us for Rush Order processing requests.

    • Are all Heatsink Extrusions listed in your website available to public?

    With more than 45 years of heatsink extrusions manufacturing experience of our exclusive extrusion partner, all listed heatsink extrusions are available to public. Please contact us if you need any technical specification sheet of our heatsinks.

    • Which machining services do you offer for Extrusions?

    Fabrication services that can be provided including but not limited to;
    -Cut to length 
    -Vertical Cut to Width
    -Drilling
    -Tapping
    -Milling

    Please provide us your drawings for a quote for any fabrication requests you may need on your heatsink.

    • What's the surface flatness tolerance of your heatsinks?
    Our Exclusive Heatsink Manufacturer is a ISO9001 certified extruder that stays well within industry standards for flatness and other tolerances. Still if your application requires the base of the heatsink to be perfectly flat, face milling is recommended. 
    • Do you provide Anodizing and Powder Coating Services?

    We offer Anodizing and Powder Coating services as required for your application. All of our stock Heatsink Extrusions are Mill Finish. Please contact us if you have any special anodization requirements like thickness or different colors.

    • What is your Cut Length tolerance?

    Standard Cut length tolerance for extrusions is +.0150”/-0.00''. We can provide better tolerances if you specifically request in your purchase order.

    • I need advice to determine which heatsink would be suitable for my project? Can you guide me?

    We can provide the short list of available heatsinks for your dimension requirements. However, we DO NOT provide any consultation or advice regarding the thermal capabilities of our heatsink extrusions. We have provided approximate C/W/3'' values for each available heatsink. These approximate C/W/3" values are based on natural convection: 70C temp rise above ambient, based on a single 1" (25.4mm) square heat source centered on the heat sink. We STRONGLY recommend our customers perform their own thermal testing in relation to their specific applications. Our customers bear the responsibility for testing our products for any proposed use. Any information provided by HEATSINKONLINE is believed to be accurate, but our customers must accept all responsibility for use and the application of our products. 

    Please check General Terms and Conditions for more information.

    • We plan to use one of the heatsinks listed on your website in our project. Can we get the CAD file?

    We can provide the CAD files of the heatsinks listed in our website. Please contact us for your requests.


    Custom Heatsinks

    • Do you provide custom Heatsinks or other Extrusions?
    We have the capability to design, tool and extrude new Heatsink requests you may have. 
    • I have a heatsink design for my project? Can you make the die tooling for it?

    We can provide die tooling service for your custom heatsink requests. Tooling a new die would require a minimum of 2.000lbs and more order volume.  Please contact us for your custom request. Custom design heatsinks are proprietary to the customers that have purchased the tooling services for them. Tooling costs does not convey ownership. Tools remain property of HEATSINKONLINE. If you were to proceed with a custom tooling service purchase, the right to use that die would remain yours and solely produced for your company unless granted written permission from you.

    • What is your shipping tolerances?

    Standard Products that are listed in our website and ordered in quantity or length are shipped as they quoted.

    Custom Extrusions that are prepared specific to customers may have manufacturing/shipping tolerances up to %15. Such deviations are usual in this trade and the deliveries are deemed as being in compliance with the agreement. If delivery quantities fall below the ordered quantities, there shall be no right to subsequent delivery of the missing quantity.


    Pricing and Ordering

    • Do you have a minimum order requirement?

    No! We don’t have any minimum order requirement or any extra charge for small orders for standard products (No fabrication or surface finish work required orders). You can order any amount as you need. However, it’s necessary to consider shipment costs for small orders may be unreasonable amounts due to weight of packages.

    • What is your pricing strategy? Can I get a volume discount for my project?

    We’re dedicated to provide the best value to our customers. We define the Value as an optimal balance of good service, availability, wide product mix and competitive pricing. In business, economics of scale always works. We are very ambitious that we can provide the best value to our customers. Just ask for a quotation to see our high volume pricing advantage!

    Please check General Terms and Conditions for more information.