326 Steel All Welded Spiral Stairs Only Stairways Inc Treads are cut in different widths to accommodate the exact number of steps needed to complete the proper spacing for exiting and entering the staircase. the standard tread size is a 30 degree step that completes a circle in 12 steps. request a quote. econo grate. #187 3 16" steel. With over 40 years of experience, our team of experts works with you to create a spiral staircase to your exact specifications and needs. stairways inc. can deliver metal spiral staircases, custom circular stairs and staircases, and wood spiral stairs and staircases fully assembled to a client, or in unassembled kit spiral stair form.
Spiral Staircase Treads Stairways Inc Designing beautiful stairways for over 4o years get a custom quote today!. Call us! toll free: 1 (800) 285 3056 local phone: (716) 854 7633. spiral staircase treads are attached to the center column of a spiral stair system with bolts, or are welded in place. shop a variety of sizes and styles at scs!. Heavy duty metal spiral staircase kits. heavy duty spiral staircase kits. standard heavy duty kit includes a 3 1 2" od center column, heavy duty 1 4" base plate, (11) 3 16" steel treads, (12) 3 4" solid round steel balusters, with a machined bottom and milled top countersunk holes for attachments to the 1 1 2" round steel handrail, continuous sleeve tread hubs, complete with fasteners and. The smooth is just that: flat and smooth. we offer 12 gauge steel with a matte black powder coat primed finish. our diamond plated treads are 1 8” steel with a matte black powder coat finish and they add texture for greater slip resistance (and looks really great too). the red oak is ¾” and comes unstained so that you can stain to match.
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