How Thick Is A Utility Razor Blade?

How Thick Is A Utility Razor Blade? Standard thickness is typically 0.018 in., heavy-duty blades are typically 0.025 in. thick, and extra-heavy-duty blades are 0.035 in. thick. What is the thickness of a box cutter blade? Designed for use in fixed blade knives only, these blades measure 2-7/16 inches long with a . 035-inch thickness