Many crests and coats of arms have appeared often on shields for use in battle. Because of this, it makes sense that symbols of weapons and other tools used in battle appear at times in heraldry. Below are shown weapons, such as spears and swords, as well as other heraldic battle symbols including grenades and scaling ladders.

pheon	broad arrow	caltrap	lance or javelin	tilting-spear
battle-axe	fasces	scymitar	seax	sword
grenade	beacon	guantlet	portcullis	scaling ladder