We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › If a screw ...
Castle's flagship screw pocket cutting machine CSI 1.5D uses patented Screw-in-Pocket (SIP) technology that allows the machine to cut a pocket, drill a pilot hole, and insert a screw in less than 1.5 ...
Roy Underhill shows how to use an 1889 foot-driven metal working lathe. Make your own darn metal screws with this 1889 foot-powered lathe! Roy shows how to cut perfect threads, cones and tapers in ...