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Enduro 47 in. Galvanized Steel Spiral Staircase Kit

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  • Height-adjustable design offers convenience while stepping stairs
  • Spiral design is perfect for square or mezzanine spaces
  • Corrosion-resistant hot-dipped galvanized steel offers durability
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Product Overview

The Enduro 47 in. diameter spiral staircase kit is made of hot-dipped galvanized steel. The staircase can be easily installed by the homeowner in a single day using common household tools. Please review your total floor-to-floor measurement to calculate riser quantity.
  • Adjustable in height from 99-3/16 in. to 120-1/16 in.
  • Height can be adjusted to a minimum of 82-11/16 in. and to a maximum of 148-1/16 in. by adding up to three additional risers (purchased separately, model K00000, K05004)
  • All in-one complete standard kit - includes: 12 hot-dipped galvanized steel treads perforated for safety, 1 landing, center pole, round spindles, 26-ft flexible black extruded vinyl handrail, landing rail (connected to center pole), connectors and stainless steel hardware
  • 3 spindles per tread
  • Rise adjustable from 8-9/32 in. to 9-1/4 in.
  • Clockwise or counterclockwise, exterior/interior installation, designed for use in square or mezzanine applications
  • Finished opening must be 2 in. larger than the stair diameter
  • Each Enduro stair kit is shipped with detailed assembly instructions, toll-free support is available (888) 782-4758
  • Kit has not been designed to meet the international residential building code, as it relates to spiral staircases
  • Consult your local building department for any questions and specifics regarding compliance with the local building codes prior to purchase

Info & Guides

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Enduro 47 in. Galvanized Steel Spiral Staircase Kit
Enduro 55 in. Galvanized Steel Spiral Staircase KitEnduro 63 in. Galvanized Steel Spiral Staircase KitSKY030 63 in. Iron Grey Spiral Staircase Kit
NameEnduro 47 in. Galvanized Steel Spiral Staircase KitEnduro 55 in. Galvanized Steel Spiral Staircase KitEnduro 63 in. Galvanized Steel Spiral Staircase KitSKY030 63 in. Iron Grey Spiral Staircase Kit
Railing TypeRailRailRailRail
FeaturesGalvanizedGalvanizedGalvanizedNo Additional Features
Stair Part TypeKitKitKitKit
Platform Rail Height39.37 in39.37 in39.37 in39.37 in
Platform Rail Quantity1 Platform Rail1 Platform Rail1 Platform Rail1 Platform Rail
Product Width (in.)47 in55 in63 in63 in
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Product Depth (in.)
47 in
Product Height (in.)
120 in
Product Width (in.)
47 in


Color Family
Maximum Floor to Floor Height
120 in
Minimum Floor to Floor Height
99.18 in
Package Contents
Consisting of railing on the staircase and on the landing, 1 triangular landing, 12 galvanized treads, stainless steel nuts and bolts, PVC for handrail and railing.
Platform Rail Height
39.37 in
Platform Rail Quantity
1 Platform Rail
Product Weight (lb.)
380 lb
Railing Type
Stair Part Type
Tread Count

Warranty / Certifications

Manufacturer Warranty
1-year for manufacturing errors

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4
    out of 3 reviews
  • 67% recommend this product
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Showing 1-3 of 3 reviews
This staircase was easy enough to assemble until we got to the railing . . . oy! After giving up...
This staircase was easy enough to assemble until we got to the railing . . . oy! After giving up, I googled videos and discovered that the secret--not mentioned anywhere in the instructions (indeed, the instructions are all pictures, with a feather to mean "lightly tighten" and some strange object to mean "really tighten")--anyway, the secret to bending that utterly inflexible railing is boiling water. Heat the tea kettle, then pour boiling water through the railing AFTER you've covered the opposite end in tape. Those few minutes of exposure to the boiling water will turn that railing into butter. :-). After that, the rest of the assembly is relatively trouble free, except for a few pieces that won't fit until you "loosen" the rubber railing with a blowtorch. I hired a handyman to help me install it, and we finished in two days, which included some carpentry work on the landing. It's a fine staircase, but it certainly would help to have words in the instruction manual.
    • Recommended
    Looks awesome, but its almost so narrow its unusable.
    Install was not to difficult, my brother installed it in less than 8 hrs having never done one before I didn't think that was bad. There is some "custom" work that has to be done. You can find the install videos on youtube so check those out before you buy to see if you can do it or not. Over all we are happy with how it looks, but it is very narrow. A larger person would have a hard time with these stairs. Thankfully in our case they are not the main stairs and wont be used much.
    Response from Arke Product Support TeamSep 16, 2014
    Thank you for your kind comments regarding the quality and the ease of installation. ARKE offers 3 diameters of our Spiral staircase kits to accommodate the needs of the customer for their specific space availability. The 3 diameters are as follows: 47"....55"....63"
    Robb Gillion
    Managing Director-North AmericaArkeSupportTeam
    • DIY
    • Verified Purchase
    • Recommended
    4 people found this helpful
    Nice but hard to install
    The product is nice but it was really hard to install. The directions are unclear and the chart for the number of spacers is incorrect. The handrail was next to impossible to install and required a blowtorch to heat it up. And after heating it was still hard to install. Definitely not a one person job. All in all it took me about a day and a half but it looks great and is extremely functional.
    • Verified Purchase
    11 people found this helpful
    Showing 1-3 of 3 reviews