Panel screws come pre-assembled with Split L, Internal Tooth L, or External Tooth L washers, and are available in nine head styles. Four come slotted or Phillips: pan head, fillister, round head, and flat head; binding head comes slotted only. Other styles include socket head cap, hex head machine, hex socket flat captive head, and hex socket low head. The panel screw assembly comes with silicon-bronze split-lock washers, copper alloy No. 651 or 655, internal or external phosphor bronze lock washers, copper alloy No. 510, and brass flat washers No. 260.
Accurate Machine Screw Co., 10 Audrey Place, Fairfield, NJ 07004.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.