Back to Product Specs
Stock Number:
USS68-12-3QT
Stair Diameter:
60 - 8"
(203.2cm)
Minimum Opening:
84" x 84" (210.82cm
x 210.82cm)
Outside Radius:
40"
(101.6cm)
Inside Radius:
6"
(15.24cm)
Stringer Width, Outer:
11 - 1/4"
(28.58cm)
Stringer Width, Inner:
5"
(12.7cm)
Stringer Thickness:
1 - 1/2"
(38.1 mm)
Tread Width at Outer Stringer:
14 - 3/4"
(37.47cm)
Tread Width at Inner Stringer:
4 - 3/4"
(12.07cm)
Tread Thickness:
1 -1/2"
(38.1 mm)
Tread Passageway:
31"
(78.74cm)
Handrail Width:
3 -1/2"
(8.89cm) - Opt. 4 - 1/2" (11.43) or 5 -1/2"
(13.97cm)
Handrail Thickness:
1 -1/2"
(38.1 mm)
Baluster Spacing:
Approx. 6"
(15.24cm), - Opt. 4" (10.16cm), or alternating
2", 3", 2"
Turn per Inch of Rise:
2.857 Degrees
Rise per Degree of Turn:
0.35"
(8.89mm)
Floor to Floor
Risers
Degrees of Turn
74" to 82" (187.96cm to 208.28cm)
9
188 to 208 Degrees
>82"
to 90" (208.28cm to 228.60cm)
10
208
to 231 Degrees
>90"
to 98" (228.60cm to 248.92cm)
11
231
to 255 Degrees
>98"
to 106" (248.92cm to 269.24cm)
12
255
to 278 Degrees
>106"
to 114" (269.24cm to 289.56cm)
13
278
to 301 Degrees
>114"
to 122" (289.56cm to 309.88cm)
14
301
to 324 Degrees
>122"
to 130" (309.88cm to 330.20cm)
15
324
to 347 Degrees
Tread Capacity lbs. / kgs.
694 /315
Stair Capacity lbs. / kgs. @ 114" Ht.
1696 / 769
Specifications for heights up to 190" (4.83m) are available upon request.
 2.jpg)
 small.jpg)
