Pinplug for hexagon screw (ISO7380)
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Is a stainless steel pin plug (4-8 mm) used to secure a hexagon socket screw (M6 - M12). For correct usage, the screw must have a buttonhead in accordance with ISO 7380. Following the assembly of the hexagon socket screw with a buttonhead with a standard bit, the hexagonal socket is guaranteed by hitting this stainless steel pin plug into place with a hammer. Once the pin plug is in place, this is permanent. Normal dismantling is not possible. The pin plugs are often used in prisons, for example when securing sinks and beds in a cell.