GENERAL CONVERSION CHART

AISI THICKNESS GAUGE EQUIVALENTS IN NOMINAL DIMENSIONS
GAUGE
APPROXIMATE DIMENSTIONS
(INCHES)
DECIMALS (INCHES)
UNCOATED
STEEL
GALVANIZED STEEL (G60)
3 1/4 0.239 - - -
7 3/16 0.1793 - - -
10 9/64 0.1345 0.1382
11 1/8 0.1196 0.1233
12 7/64 0.1046 0.1084
13 3/32 0.0897 0.934
14 5/64 0.0747 0.0785
16 1/16 0.0598 0.0635
18 3/64 0.0478 0.0516
20 1/32 0.0359 0.0396
22 1/32 0.0299 0.0336
25 1/32 0.0209 0.0247


Footnote: Actual steel dimensions will vary from nominal dimensions according to industry tolerances of 0.005±
ALLOWABLE SHEAR LOAD ADJUSTMENT
FACTOR FOR NAILS & SCREWS
WOOD SPECIES
(GROUP II)
SPECIFIC GRAVITY (G)
ADJUSTMENT FACTOR
Southern Yellow PIne
0.55
1
Douglas
Fir-Larch (N)
0.50
0.927
Douglas Fir (S)
Hem-Fir
0.46
0.86
Spruce-Pine-Fir
0.42
0.80


FOOTNOTE: Allowable loads must be adjusted
according to the applicable wood species.
Design loads are based on southern Yellow
Pine wood species with a specific greavity of 0.55.
SLOPE CONVERSION TABLE
RISE/ RUN (IN)
SLOPE (DEGREES)
0/12
FLAT
1/12
4.75
2/12
9.50
3/12
14.00
4/12
18.4
5/12
22.60
6/12
26.6
7/12
30.25
8/12
33.70
9/12
36.87
10/12
39.81
11/12
42.50
12/12
45.00
BOLT DIAMETER CONVERSION
BOLT DIAMETER (IN)
METRIC (MM)
3/8
9.53
1/2
12.70
5/8
15.88
3/4
19.05
7/8
22.23
1
25.40
1 1/8
28.58
1 1/4
31.75


FOOTNOTE: All reference to bolts are structural
quality bolts equal to or better than ASTM Standard A307
Nu-Vue Industries, Inc. 1055 East 29th Street Hialeah, FL. 33013
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