Simplicity 1691522 - Page 27

STANDARD
FASTENER
IDENTIFICATION
CHART
Hardware sizes are given in the
illustrations throughout this
manual.
If a washer or nut is identified
as “washer, 1/2” or “nut, 1/2 ,
this means the inside diameter
is 1/2 inch.
If a screw is identified as ‘ screw.
1/2 x 2”, this means the shaft
diameter is 1/2 inch and the
shaft of the screw is 2 inches
long. If a screw is identified as
“screw, 1 /2-16 x 2 , the number
“16” means that the screw has
16 threads per inch.
SAMPLE: SCREW IDENTIFICATION
3/4" Head
screw with
1/2" S.D.
5/8" Head
screw with
7/16" S.D.
1/2" Head 7/16" Head
9/16" Head screw with screw with
screw with 5/16 S.D. 1/4 S.D.
3/8" S.D.
1/2
1/4
3/4
1/4
1/2
3/4
1/4
i
1/2
3/4
1/4
1/2
3/4
WASHER AND NUT IDENTIFICATION
Place the washer or nut on the above scale to
determine the inside diameter. The actual inside
diameter can vary 1/16 inch. Use the scale for
comparison.
k
Screw 1/2x2
Shaft
Diameter-
Shaft
Diameter
- Screw
Length
SAMPLE: NUT IDENTIFICATION
Inside
Diameter
Inside
Diameter