We have a collection of these somewhere. Please document where you find them.
Here's a useful diagram to figure them out:
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This text is here for indexing the image above. It should be expanded to include all of the minor text in future.
Screws: Wood Screws, Machine Screws, Sheet Metal Screws, SMS Metal Screws, Hex Bolts, Carriage Bolts, Lag Bolts Socket Screws, Set Screws, Eye Bolts, Eye Lags J-Bolts, U-Bolts, Shoulder Bolts, Elevator Bolts Sex Bolts, Mating Screws, Hanger Bolts
Head Style Flat, Oval, Pan, Truss Round, Hex, Hex Washer, Slotted Hex Washer Socket Cap, Button
Drive Types, Phillips, Frearson, Slotted, Combination, Socket, Hex or Allen, One-Way, Square, Robertson, Torx
Washer Type Flat, Fender, Finishing, Split Lock, External Tooth Lock, Internal Tooth Lock, Square, Dock Ogee
Nut Types Hex, Heavy Hex, Nylon Insert Lock (nylock), Jam, Nylon Insert Jam Lock, Wing, Cap, Acorn, Flange, Tee, Square, Prevailing Torque Lock, K-Lock (Kep), Coupling, Slotted, Castle