Wheels and Axles
Pretty beefy wheels and axles for some toy cars. Everything to make these are off the shelf.
18-8 Stainless Steel Female Threaded Round Standoffs - 1/4″ OD 5/8″ Lg. 10-32
Tight-Tolerance Shoulder Screws - 1/4″ Shoulder Dia. - Head Dia.: 3/8″, Head Ht: 3/16″
High-Temperature Silicone O-Ring - 3/16 Fractional Width, Dash Number 322