Pololu

This M3, pan-head screw is 10 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

This M3, pan-head screw is 12 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #4-40, pan-head screw is 1/2″ (0.5″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 1″ long. It is made from steel, is zinc-plated, and comes in packs of 25.

This M3, pan-head screw is 8 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #4-40, pan-head screw is 3/8″ (0.375″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This M2.5, pan-head screw is 6 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 3/4″ (0.75″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #4-40 hex nut is made from steel, is zinc-plated, and comes in packs of 25.

This #4-40, pan-head screw is 5/16″ (0.3125″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This M3, pan-head screw is 6 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #4-40, pan-head screw is 1/4″ (0.25″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This M3, pan-head screw is 5 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

This M2.5 hex nut is made from steel, is zinc-plated, and comes in packs of 25.

This M3 hex nut is made from steel, is zinc-plated, and comes in packs of 25.

This M3, pan-head screw is 7 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 1/2″ (0.5″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 7/16″ long (0.4375″). It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 3/8″ (0.375″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 1/4″ (0.25″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 5/16″ (0.3125″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56, pan-head screw is 3/16″ (0.1875″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

This #2-56 hex nut is made from steel, is zinc-plated, and comes in packs of 25.

These M1.6, pan-head screws are 3 mm long. They are made from zinc-plated steel and ship in packs of 6. These screws, which can be difficult to fi...