Spike Williams

  • Bend Allowance Calculator




    A tool for use in the planning of sheet metal bending. Given the width of the metal, the inside radius of the bend, the angle of the bend, and the k-factor of the material, it will calculate the bend allowance and bend deduction values.

  • Concrete Slab Calculator


    A tool to calculate the cubic yardage of a rectangular concrete slab, given width, length, and depth measurements in feet and inches.

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