#4-40, 9/16" Thread Length, 3/16" High, Zinc Plated, Steel Jack Screw MPN:JAX107M12F21A

Our high quality zinc plated steel jack screw features a 9/16 thread length and 3/16 height - ideal for use in various applications requiring a secure yet adjustable fixing method. Made from durable steel ensures longevity when employed in heavy duty operations, while the 4-40 standard size allows for simple replacements in the event of wear or damage. The hexagonal drive head offers grip and torque resistance against loosening under pressure making it perfect for use with hand tools or power screwdrivers ideal for hobbyists, engineers and professionals looking to enhance their assembling capabilities in a wide array of repair jobs where precision matters most.