Wood Screws : Flat, Round, Oval, Slotted, Phillips, Square, Steel,
Stainless, Brass, Bronze, Aluminum, Hot Galvanized
Machine Screws : Round, Flat, Pan, Truss, Oval, Hex, Slotted,
Phillips, Combo, Square, Sems, Weld, Metric, Steel, Stainless, Brass,
Bronze, Nylon, Aluminum
Self-Tapping (Sheet Metal) Screws : Type "A", Type 'AB', Type 'B',
Pan, Flat, Truss, Oval, Hex, Slotted, Phillips, Square, Combo, Steel,
Stainless
Thread-Cutting Screws : Type 'F', Type '23', Type '25', Pan, Flat,
Hex, Slotted, Phillips, Steel, Stainless
Thread-Forming Screws : For Steel, Aluminum, Plastic, Pan, Flat.,
Hex. Slotted, Phillips, Steel, Stainless
Self-Drilling Screws : Pan, Hex, Flat, Phillips, Steel, Stainless
Drive Screws : Round, Flat, Type 'U', Wood Drive, Steel, Stainless
Thumb Screws : With or Without Shoulder, Steel, Stainless, Brass,
Nylon, Aluminum, Nylon Cap, License Plate
Grounding Screws : Green, Hex , Phillips/Slotted Combo
Drywall Screws : Bugle, Trim, Fine, Coarse, Hi-Lo, Self-Drill, Phillips,
Square, Steel, Black, Zinc, Galvanized (Dacrotized), Stainless
Framing Screws : Pan, Sharp Point, Self-Drill, Black, Zinc
Lath Screws : Round Washer Head, Phillips, Sharp Point, Self-Drill,
Black, Zinc
Self-Piercing Screws : Hex, Slotted, Steel, Zinc
Particle Board Screws : With or Without Nibs, With or Without Type '17'
Point, Phillips, Square,  Combo, Black, Zinc, Stainless
Tamperproof Screws : Spanner, Phillips Pin Head, Torx® Pin Head,
Socket Pin Head, Tampruf, One Way, Metric, Steel, Stainless, Brass
Socket Head Screws : Cap, Button, Flat, Square, Set, Shoulder,
Metric, Hex, Torx®, Steel, Stainless, Brass
Deck Screws : With or Without Type '17' Point, With or Without Nibs,
Steel, Stainless, Phillips, Square, Combo
Fastap® Self-Drilling Wood Screws : For Indoor Hardwoods,
For Exterior Hardwoods and Decking, Melamine/Laminate, Composite,
Flat, Trim, Phillips, Square, Black, Duracoat, Zinc, Zinc Yellow, Stainless
Spax® : The "multi-material construction screw" for concrete, sheet metal,
drywall, particle board, cement board, and even plastic materials
Steel, Stainless, Brass, Bronze, Nylon,
Aluminum, Hot Galvanized
"What happened to your old one" asks Ken.  "It couldn't swim" replies Frank.
BRASS SCREWS
STAINLESS SCREWS
BRONZE SCREWS
STEEL SCREWS