Acorn Hex Cap Nuts

Protect your screws, bolts, and fasteners from stripping with acorn cap nuts from Mutual Screw & Supply’s extensive catalog. We stock 18/8 stainless steel high-crown acorn nuts, 316 stainless steel acorn nuts, and aluminum and brass units.

If you’re looking for a black oxide finish, black zinc steel, brass nickel plated, or die-cast zinc alloy nut, or crown nuts in metric sizes, you are in luck. Industry professionals can assist you in finding the acorn nuts and bolts you need and getting a custom quote for bulk purchases. Volume purchasing is available.

Order piece by piece or add our cap nut kits to your cart, which are sold in quantities of 175 (for stainless steel nuts) or 325 pieces (steel nickel plated kits). Download our datasheet for a more in-depth look at nominal sizes, dimensions, allowances, and pitch diameters of internal threads for our cap nuts.