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Stock Number:
USS68-20-HT
Stair Diameter:
6' - 8"
(203.2cm)
Minimum Opening:
42" x
82" (106.68cm x 08.28cm)
Outside Radius:
49"
(101.6cm)
Inside Radius:
10"
(25.4cm) - Optional 6" (15.24cm) or 12" (30.48)
Stringer Width, Outer:
10 - 1/2" (26.04cm)
Stringer Width, Inner:
5 - 1/2"
(14.61cm)
Stringer Thickness:
1 - 1/2"
(38.l mm)
Tread Width at Outer Stringer:
12 - 1/2"
(31.75cm)
Tread Width at Inner Stringer:
5"
(12.7cm)
Tread Thickness:
1 -1/2"
(38.1 mm)
Tread Passageway:
27"
(68.58cm) - Optional 25" (63.5cm) or 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:
1.816 Degrees
Rise per Degree of Turn:
0.55"
(13.97mm)
Floor to Floor
Risers
Degrees of Turn
74" to 82" (187.96cm to 208.28cm)
9
119 to 132 Degrees
>82" to 90" (208.28cm
to 228.60cm)
10
132 to 147 Degrees
>90" to 98" (228.60cm
to 248.92cm)
11
147 to 161 Degrees
>98" to 106"
(248.92cm to 269.24cm)
12
161 to 176 Degrees
>106" to 114"
(269.24cm to 289.56cm)
13
176 to 191 Degrees
>114" to 122"
(289.56cm to 309.88cm)
14
191 to 206 Degrees
>122" to 130"
(309.88cm to 330.20cm)
15
206 to 220 Degrees
Tread Capacity lbs. / kgs.
793 / 360
Stair Capacity lbs. / kgs. @ 114" Ht.
2962 / 1344.7
Specifications for heights up to 190" (4.83m) are available upon request.
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