Challenge Coin Thickness Guide: 2mm, 3mm, 4mm & Custom Options

When ordering custom challenge coins, customers often focus on diameter first. However, thickness is equally important because it affects the coin’s weight, relief depth, edge appearance, durability, material consumption, shipping cost and overall hand feel. The most commonly discussed specifications are 2 mm, 3 mm and 4 mm, but custom thicknesses are also possible. There […]

Brass vs Zinc Alloy Challenge Coins: Which Material Is Better?

When ordering custom challenge coins, one of the most important decisions is choosing the base metal. Brass and zinc alloy are two of the most widely considered materials, but neither is automatically better for every project. The right choice depends on the coin’s design complexity, size, thickness, weight, relief, quantity, finish, budget, and intended use. […]