: A solid choice for standardized internal and spur gears . It's often the cheapest option, though you may need to search specifically for brands like Boston Gear to ensure quality.
: Excellent for high-performance transmission and differential gears. Expert Insights on Sourcing buy gears online
“For smaller stuff try the Stock Drive online store... Hey I just went to Boston Gear and they link to the catalogs through the literature section.” Practical Machinist · 11 years ago : A solid choice for standardized internal and spur gears
: Best for low-cost, hobby-grade components where lead time is not a priority. Automotive Gear Specialists Expert Insights on Sourcing “For smaller stuff try
: Recommended for European vehicles due to their unique Lifetime Replacement Guarantee on all parts.
“McMaster is a little pricey but has almost anything you could ever need, plus free CAD.” Reddit · r/engineering · 3 years ago
: Known for lightning-fast shipping (often next-day) and an incredibly intuitive search interface. It is the go-to for many engineering teams for everything from spur gears to worm gears.