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Home
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Fasteners
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Screws
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Self Tapping Screw
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Hex Head Self Tapping Screw With Washer, Plated
>
12 X 3 HEX HEAD SELF TAPPING SCREW WITH WASHER, PLATED
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12 X 3 HEX HEAD SELF TAPPING SCREW WITH WASHER, PLATED
Item #:
TWHP 120300
12 X 3 HEX HEAD SELF TAPPING SCREW WITH WASHER, PLATED
$0.2716/EA
Quantity
Price
Quantity
Price
1
$0.2716/ EA
410
$0.25619/ EA
1640
$0.22586/ EA
7350
$0.15909/ EA
Qty
In Stock
Add To Cart
Technical Data
Product Specification
Screw Specifications
Washer Specifications
Product Specification
Diameter
#12
Length
3
Grades
Carbon Steel
Width Across Flats
5/16
Material
Steel
Finish
Plated
Origin
Unrestricted Origin
Weight
0.0245,
Screw Specifications
Dimensional Specifications
Type A Hex Head Self Tapping Screw
ASME B18.6.3-2013
Nominal Size
or Basic Screw
Diameter
Threads
per Inch
D
d
Drill
Size
Recommended
Hole Diameter
Major
Diameter
Minor
Diameter
Max
Min
Max
Min
#0
0.060
40
0.060
0.057
0.042
0.039
#1
0.073
32
0.075
0.072
0.051
0.048
#2
0.086
32
0.088
0.084
0.061
0.056
#48
0.0760
#3
0.099
28
0.101
0.097
0.076
0.071
#46
0.0810
#4
0.112
24
0.114
0.110
0.083
0.078
#44
0.0860
#5
0.125
20
0.130
0.126
0.095
0.090
#36
0.1065
#6
0.138
18
0.141
0.136
0.102
0.096
#32
0.1160
#7
0.151
16
0.158
0.152
0.114
0.108
#30
0.1285
#8
0.164
15
0.168
0.162
0.123
0.116
#29
0.1360
#10
0.190
12
0.194
0.188
0.133
0.126
#21
0.1590
#12
0.216
11
0.221
0.215
0.162
0.155
3/16
0.1875
#14
0.242
10
0.254
0.248
0.185
0.178
7/32
0.2165
Tolerance on Length: Up to 1" incl.: +/- 0.03. Over 1": +/- 0.05.
All dimensions are in inches.
ASME B18.6.3-2013
Nominal
Size
A
W
H
F
U
Width
Across Flats
Width
Across
Corners
Height of
Head
Diameter of
Washer
Thickness of
Washer
Max
Min
Min
Max
Min
Max
Min
Max
Min
#4
0.188
0.181
0.202
0.060
0.049
0.243
0.225
0.019
0.011
#6
0.250
0.244
0.272
0.093
0.080
0.328
0.302
0.025
0.015
#7
0.250
0.244
0.272
0.093
0.080
0.328
0.302
0.029
0.017
#8
0.250
0.244
0.272
0.110
0.096
0.348
0.322
0.031
0.019
#10
0.312
0.305
0.340
0.120
0.105
0.414
0.384
0.031
0.019
#12
0.312
0.305
0.340
0.155
0.139
0.432
0.398
0.039
0.022
#14
0.375
0.367
0.409
0.190
0.172
0.520
0.480
0.050
0.030
All dimensions are in inches.
Washer Specifications
Dimensional Specifications
Neo-EPDM Washers Used With Self Drilling Screws
For Use
with
Screw of
this
Nominal
Diameter
S
N
G
C
E
Outside
Diameter of
Steel Section
Inside
Diameter of
Steel Section
Thickness
of Steel
Section
Inside
Diameter of
EPDM Section
Thickness of
EPDM Section
Max
Min
Max
Min
Ref
Max
Min
Max
Min
#8
0.507
0.491
0.212
0.196
0.031
0.149
0.126
0.087
0.070
#10
0.507
0.491
0.212
0.196
0.031
0.149
0.023
0.087
0.070
#12
0.558
0.542
0.243
0.227
0.031
0.197
0.172
0.087
0.070
#14
0.617
0.601
0.275
0.259
0.031
0.232
0.208
0.087
0.070
NOTE: There is no single standard for Neo-EPDM dimensions. These values are offered as a guide; deviations from these specifications may occur.
All dimensions are in inches.
Material
Steel Section of Washer:
20 gauge steel
Elastic Section of Washer:
Style 40 EPDM sheet
Hardness
EPDM Material:
Shore A 65 - 75 (Durometer scale)
Plating
Steel Section of Washer:
Galvanized