All Holo-Krome branded socket screws are made in the USA and used around the world in a wide variety of market applications which demand high-quality, high-strength precision components. The range includes self-colour socket head cap screws, low head socket head cap screws, socket countersunk head screws, socket button head screws, socket shoulder screws, and taper pressure plugs. We also list a range of imperial threaded items, with UNF and UNC threads. Many of the items conform to the respective DIN and BS specifications. All items are driven with a hexagon socket wrench or Allen key.