From Dungeons of Dredmor Wiki

In order to fire a bolt, a player must have a crossbow equipped.

Crafted

Name	Icon	Quality	Damage	Modifiers	Price	Description
Plastic Bolt			1		5	When the Dwarves ran out of iron, they made bone bolts. When they ran out of bone, they made wood bolts. When they ran out of wood, they made these.
Copper Bolt			1		6	It's an exceptionally standard bolt constructed below Bolt Council standards. An impressive feat!
Barbed Copper Bolt			2		8	Crafted of copper, this bolt has some nasty barbs. Too bad it's copper.
Cruelly Barbed Copper Bolt			4		17	A cruel and crafty mind was behind the manufacture of these copper bolts. Too bad they're made of copper, which is pretty useless for this sort of thing.
Bronze Bolt			1 1		6	It's an exceptionally standard bolt constructed with a loose interpretation of Bolt Council standards.
Barbed Bronze Bolt			2 2		8	Crafted of bronze, this bolt has some nasty barbs.
Cruelly Barbed Bronze Bolt			4 3		17	A cruel and crafty mind was behind the manufacture of these bronze bolts.
Iron Bolt			2		12	It's an exceptionally standard bolt constructed to meet Bolt Council specifications.
Barbed Iron Bolt			1 3		16	Crafted of iron, this bolt has some nasty barbs.
Cruelly Barbed Iron Bolt			1 5		34	A cruel and crafty mind was behind the manufacture of these iron bolts.
Steel Bolt			3		12	It's an exceptionally standard bolt constructed to meet Bolt Council specifications.
Barbed Steel Bolt			1 4		16	Crafted of iron, this bolt has some nasty barbs.
Cruelly Barbed Steel Bolt			2 6		34	A cruel and crafty mind was behind the manufacture of these iron bolts.
Tesla's Bolt			1	Tesla's Bolt Hit	178	Invented by the Wizard Tesla, these bolts shocked the crossbowing world upon their introduction.
Clockwork Drill Bolt			8	Clockwork Drill Hit	259	Originally invented to assist in long-range carpentry, the tragic prototype test results spurred unintended breakthroughs in weapon technologies.
Fire Bolt			3	Ignition Bolt	100	The fire bolt is good for igniting thatched-roof cottages.
Poison Ampoule Bolt			1	Small Weak Poison Cloud	100	An ampoule of poison has been placed on the end of this bolt.
Poison Bottle Bolt			1	Weak Poison Cloud	200	These bolts are perfect for the adventurer of supple morals. It has one (1) bottle of vile poison attached to the business end which, upon impact, shatters and sends poisonous shards of eco-friendly low-phosphorous glass flying willy-nilly and hither-thither.
Acid Ampoule Bolt			1	Acid Burn	180	Acid: Make a splash!
Acid Bottle Bolt			1 1	Acid Sprayer	280	Acid: Make a splash!
Bolt of Mass Destruction			1	Mass Destruction	14000	This bolt contains terrible energies. You are become death, destroyer of dungeons!

Normal

Name	Icon	Quality	Damage	Modifiers	Price	Description
Wooden Bolt			2		4	Best used for practice. And for killing vampires. But don't be silly, vampires aren't real.
Bolt Classic			1 2		14	Due to popular demand Bolt Classic has been brought back. It's the bolt you love, the bolt you take home, the bolt you grew up with. Bolt Classic. (This message funded by the Bolt Council.)
New Bolt			2 1		18	The product of a misguided marketing campaign, 'New Bolt' failed spectacularly to capture the urban demographic and so was dumped on hinterland markets.
Broadhead Bolt			4 1		32	These bolts have a wider cutting surface which, through subtle magic, do not get caught in the crossbow's frame.
Bone Bolt			2 3		90	From the dark and icy north come these bolts carved by Dwarven bone-crafters from the still-twitching remains of fearsome undead skeletal elk. They still thirst for the blood of the living.
Bolt Moderne			6		100	Sleek. Fresh. The Bolt of the Future. Bolt Moderne.
Skull Bolt			1 6	Nightmare	500	These bolts have little skulls on the end. Creepy!
Bolt of Squid			1 8	Tentacular Doom	2500	Where lesser bolts have failed, a Bolt of Squid will deliver tentacled, inky, cephalopodic doom. Ia!

Realm of the Diggle Gods

Name	Icon	Quality	Damage	Modifiers	Price	Description
Cruely Barbed Plastic Bolt			1 3		8	In the darkest days of the Third Elven War this barbarous device was unveiled by the Undermountain Clans to terrible effect.
Ingeniously Scythed Plastic Bolt			1 5		12	'Who would make such things?' the conscript pleaded, his life draining from horrible wounds. 'The Dwarves' replied the watch-captain, 'Those bastards.'
Ingeniously Scythed Copper Bolt			8		21	The deadly potential of copper brazenly flows from the end of this bolt.
Ingeniously Scythed Bronze Bolt			4 6		23	The deadly potential of bronze is draped resplendently on the end of this bolt.
Ingeniously Scythed Iron Bolt			3 10		42	The deadly potential of iron blossoms curiously on the end of this bolt.
Ingeniously Scythed Steel Bolt			4 12		49	The deadly potential of steel blooms artfully at the end of this bolt.
Corkscrew Bolt			2 4		4	You once saw a man open a bottle of port at 50 paces with one of these babies.
Plague Bolt			1 10	Diggle Plague	30	Oh gross; it's a plague bolt.
Stone Bolt			2	Unliving Wall	150	It's got a rock on the end like it just flew out of the early ages when humankind was but vermin in the shadows of elder civilizations built upon teeming plateaus in the distant south...
Eldritch Bolt			1 8	Zalgo1	100	It strikes with the force of eldritch horrors.
Bolt of Doubt			1	Nerve Staple	120	It pierces the soul itself.