Spaenaur

B
Weld Screws
Vis à souder
120°
REF
F
P
G
E
H
Radius
Grey area on chart below indicates the available size range
of NN Projection Weld Screws.
L
PROJECTION WELD
SCREWS “NN” SERIES
Not Plated
Can be manufactured to meet specific requirements
in production run. Prices are available upon request. Unit Package 100
®
Inch
Pouces
The NN Series, Projection Weld Screws are manufactured
from low carbon, high welding quality steel. These projection
weld screws are designed with 3 weld projections on top of the
head. This feature eliminates the need for prepared holes and
is ideal in those applications where product appearance is a
prime consideration.
SPAENAUR Numbers
listed below can usually
be shipped immediately
from stock.
Size #6 #8 #10 1/4" 5/16" 3/8"
Head
Diameter (F) .250" .312" .375" .500" .625" .750"
Head
Thickness (H) .031" .047" .062" .078" .094" .109"
Projection
Height (E) .020" .024" .024" .038" .043" .048"
Projection
Width (P) .058" .060" .082" .104" .119" .133"
Locating
Circle (G) .152" .203" .234" .312" .391" .484"
Threads Per Inch 32 32 24 32 20 28 18 24 16 24
Total
Length (L)
ORDER BY SPAENAUR NUMBERS LISTED BELOW
3/16"
1/4"
5/16" 573-035
3/8" 573-058* 573-029
1/2" 573-059* 573-027 ▲ 573-047*
9/16"
5/8" 573-031
3/4" 573-030 573-048* 573-032
7/8" 573-034*
1" 573-033 573-060*
1-1/8"
1-1/4"
1-1/2"
1-3/4"
2" 573-046*
2-1/4"
2-1/2"
2-3/4"
3"
CATALOG 13
▲
573-028 Copper Plated
*GW SERIES (Not Gripco.)
B158