Pololu - Machine Screw: #4-40, 3/8″ Length, Phillips (25-pack)

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.

Pololu - Machine Screw: #4-40, 3/8″ Length, Phillips (25-pack)

Pololu - Nuts and Screws

BuildYourCNC - 3/8 x 3 Machine Screw

Machine Screw: 4-40, 1/4 Length, Phillips (25-pack) - Snail Shop

Machine Hex Nut: 4-40 (25-pack) - Snail Shop

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

Pololu - Machine Screw: M3, 14mm Length, Phillips (25-pack)

1/4''-20 X 3'' Stainless Phillips Oval Head Machine Screw, (25

Aluminum Standoff: 1/4 Length, 4-40 Thread, M-F (4-Pack), POLOLU-1946

Paulin® Papco® 1741-307 Fully Threaded Machine Screw, 1/4-20, 3/4 in OAL, Carbon Steel, Round Head, Zinc Plated, Slotted/Square Drive