. See under "Specialties" below. We manufacture precision ground bar, threaded stock, circuit board pins, router pins, locating pins, and standard alloy pins. We also provide...) Threaded rod 4-40 to 5/8 - 18. Coarse, fine, extra fine, and specials. Also available in metric sizes. Standard "Vee" form in alloys listed above, and 12L14 Pins (circuit board pins... Valley for over 35 years. Over the years we have built up expertise in a number of specialties, such as medical mandrels, thin wall tubing, OFE copper studs, and non-standard pins...