IFI/ANSI, Hex Washer Self Drilling Screw (Tek Screw), type BSD
(Assembled with EPDM Bonded Washers Available )All measurements ininches
d/ diam
#6
#7
#8
#10
#12
#14 (1/4)
d
0.138
0.151
0.164
0.190
0.216
0.25
A
0.244~0.250
0.305~0.312
0.367~0.375
B
0.302~0.328
0.322~0.348
0.384~0.414
0.398~0.432
0.480~0.520
H
0.080~0.093
0.096~0.110
0.105~0.120
0.139~0.155
0.172~0.190
U
0.015~0.025
0.017~0.029
0.019~0.031
0.022~0.039
0.030~0.050
dp
0.110
0.122
0.142
0.1614
0.189
0.228
tpi
20
18
16
14
Thr type
st
Min. case Hardness
600
CoreHardness Hv 0.3
300~400
Min. Torsional Lb-in
24
42
61
92
150
Drill point Point #
Nr 2
Nr. 2
Nr. 3
Test Plate Thick ness
0.062~0.068
Axial Loading Max( Lb)
30
35
45
Drill timeMax.
2.5s
3.0s
3.5s
4.0s
5.0s
Material
C1022
Length Available
3/8 ~ 2”
3/8~2”
3/8 ~ 3”
~3.5”
~6”