The HAND SCREW MACHINE CO. is a small job shop with a customer base of primarily FORTUNE 500 companies. Our typical job comes in a lot of sizes of fifty to one thousand parts with releases over the course of a year. Our company has been in the business of making gears, splines, shafts, couplings, and strapping tool replacement parts to customer satisfaction for over fifty years. Please read about our service offerings, contact us with questions or request a quote.