Diameter 5.51" (140mm)

SKU 1997ASL  Type Round LED Heatsink Material Aluminum 6063-T5 Surface Non-Anodized (Mill Finish) Diameter (O.D.) ⌀140mm / ⌀5.51'' Inner Diameter (I.D.) ⌀40mm / ⌀1.57'' T-Plug Diameter ⌀130mm / ⌀5.12'' All of our Heatsink Extrusions are stocked as full length (78'' to 118'' depending on the extrusion). We cut to your specified piece length (inch/mm) per order. We don't charge any cut fee. We have NO Minimum Order. Choose your required piece length from drop-down above and add your required piece quantity to your Cart. Shipping will be calculated based on Total Weight and your Shipping Address. You'll see available shipping options on checkout. If You Require A More Specific Cut Length, select next rounded up length from the drop down above, and then write your special instructions Note at your Cart during Checkout. (Example: Select 4'' for a 3.75'' length cut or select 100mm for 95mm length cut.) Please contact us to request a quote for any fabrication (drilling, tapping, milling, etc.) or Surface Treatment (Anodizing, Powder Coating etc.) to be performed on your heatsink. *Special design CNC Machined T-Plugs are built to fit in 1997ASL Round Heatsink for LED PCB applications. T-Plugs are purpose built parts to increase the surface contact area of LED PCB and maximize the heatsink performance.