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 Wheel 80×10mm Pair - White

10pcs M6*8 10 12 15 20 25 30 35 40 Flat Head Phillips Screws Nylon Plastic Screw M6x8 M6x10 M6x15 M6x20 M6x30 M6x40 - Screws - AliExpress

Uxcell M2x4mm Black Phillips Screw Fastener 3.8mm Dia Screw Head

Pololu Extended Stamped Aluminum L-Bracket Pair for Plastic Gearmotors

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

Machine Screw - Socket Head 6-32, 3/8 (pack of 25) - Proto-PIC

Screws, Phillips Head, 3/4, 4-40 (10 pack) - Proto-PIC

Chibikart: Rapid-Prototyping a Subminiature Electric Go-Kart Using Digital Fabrication and Hobby Components : 46 Steps (with Pictures) - Instructables

Hillman 3-mm 0.5 x 20-mm Phillips-Drive Machine Screws (12-Count

Phillips Self-Tapping Pan Head Screw Black #4X3/8, Self-Tapping Sheet Metal Screws, Screws, US Hardware, Hardware