DinStock Manufacturers of Industrial Fasteners

Socket Countersunk Screw - Metric

Product Code DIN7991
Flat Socket Head Cap Screw...


In addition to the 1960 series design, other head designs include low head, button head and flat head; the latter designed to be seated into countersunk holes. A hex key (sometimes referred to as an Allen wrench or Allen key) or hex driver is required to tighten or loosen a socket screw. Socket head cap screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.

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