extruded aluminum heat sink 1)Based on client's design or ... 16T to160T,3sets of CNC bending machine, 1set CNC punch machine, thread rolling machine, tapping drilling machine etcMeasuring & testing3D Calipers, micrometer ... Recess Depth Gage, Cylindricity Measuring Instrument,Rockwell hardness Test Machine, Roughness Measuring Instrument,hardness tester, concentricity tester etcFinishChrome plated ...