Workholding | CNC Workholding Fixtures | Custom Workholding Fixtures | PDQ Workholding Find high-quality CNC workholding solutions from top manufacturers. Explore carbide-cutting tools and reliable workholding options for your operations. Visit us for more info. PDQ Workholding manufactures Workholding Fixtures for a variety of applications including Hydraulic, CNC & Manual fixtures. We can custom build a Workholding fixture to your needs and you have final approval on any design.