ἧλος (hēlos|hay'-los|noun|nail)
[Grk] ἧλος LN: 6.22 GK: G2464 Hebrew: מְזַמְּרָה‎, מַסְמֵר‎, מַסְמֵר‎, שֹׁטֵט‎
Derivation: of uncertain affinity;
Strong's: a stud, i.e. spike
KJV: --nail.