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Half-inch aluminum tube in.062 wall has a true 0.500-inch outside dimension and about 0.376 inch of inside clearance.
For the full breakdown, see our best 1/2 Inch Aluminum Tubing guide.
Many aluminum tube orders go wrong because “1/2 inch” gets read as a pipe size instead of a real tube dimension. When a listing says 1/2 inch aluminum tubing.062 wall thickness, it is naming three concrete numbers: a 0.500-inch outside diameter, a 0.062-inch wall, and — subtract the wall twice — roughly 0.376 inch of inside clearance.
That makes this a standard stocked size, not a special order. Half-inch round tube is commonly listed with wall thicknesses from about 0.049 to 0.065 inch, so 0.062 fits comfortably inside the usual band, and both 6061 and 6063 alloy versions turn up at this size. The part that still trips people up is the shape, not the math.
1/2-Inch 0.062-Wall Tube: The Numbers That Matter
Two primary dimensions define this tube, and both matter for fit: the 0.500-inch outside diameter and the 0.062-inch wall. Subtract the wall on both sides and you get
