CEN/TC 97 - General purpose and special nails
-- a) general purpose nails of cold-drawn steel wire, circular section, divided into a double series, depending on whether the heads, which are also round, are to remain visible after nailing (normal flat head, countersink chequered or to be buried in the substance into which they are nailed (narrow head, lost head) -- b) special purpose nails made of cold-drawn steel wire, circular section, subdivided into four series of nail types (one of them staples) depending on the use to which they are put.
General purpose and special nails
-- a) general purpose nails of cold-drawn steel wire, circular section, divided into a double series, depending on whether the heads, which are also round, are to remain visible after nailing (normal flat head, countersink chequered or to be buried in the substance into which they are nailed (narrow head, lost head) -- b) special purpose nails made of cold-drawn steel wire, circular section, subdivided into four series of nail types (one of them staples) depending on the use to which they are put.