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System of Measurement
Inch
Metric
Length
1
/
4
"
5
/
1
6
"
3
/
8
"
1
/
2
"
9
/
1
6
"
5
/
8
"
3
/
4
"
7
/
8
"
1
"
1
1
/
8
"
1
1
/
4
"
1
3
/
8
"
1
1
/
2
"
1
5
/
8
"
1
3
/
4
"
Screw Size
No. 4
No. 6
No. 8
No. 10
No. 12
No. 14
1/4"
5/16"
3/8"
M3.5
M3.9
M4.2
M4.8
M5.5
M6.3
Screw Features
Flanged
Sealing
With Washer
Fastener Head Type
Hex
Rounded
For Use In
Aluminum
Drywall
Fabric
Sheet Metal
Stainless Steel
Steel
Drive Style
External Hex
Phillips
Slotted
Torx
Material
7075 Aluminum
Stainless Steel
Steel
Zinc
Finish
Black Zinc Plated
Corrosion-Resistant Coated
Galvanic Barrier Coated
Ultra-Corrosion-Resistant Coated
Zinc Plated
Tapping Screw Type
BSD
CSD
Washer Material
Rubber
Stainless Steel
Steel
Head Width
0.188"
0.25"
0.313"
0.375"
0.438"
0.5"
0.562"
5.5 mm
7 mm
8 mm
10 mm
Maximum Drilling Thickness
0.035"
0.048"
0.080"
0.089"
0.09"
0.095"
0.098"
0.106"
0.11"
0.118"
0.14"
0.15"
0.155"
0.173"
0.175"
0.176"
0.177"
0.187"
0.207"
0.21"
0.22"
0.236"
1/4"
3/8"
1/2"
Drill Point Size
No. 1
No. 2
No. 3
No. 4
No. 4.5
No. 5
Thread Size
10-24
12-24
1/4"
-20
1/4"
-28
5/16"
-12
5/16"
-18
Threading
Fully Threaded
Partially Threaded
Drill Tip Length
3/32"
7/64"
1/8"
9/64"
0.148"
5/32"
11/64"
3/16"
13/64"
7/32"
1/4"
0.254"
9/32"
19/64"
5/16"
0.325"
21/64"
3/8"
25/64"
13/32"
0.426"
31/64"
1/2"
35/64"
9/16"
19/32"
5/8"
21/32"
45/64"
5.9 mm
6.3 mm
7.7 mm
9.3 mm
10 mm
11 mm
Flange Diameter
0.243"
0.328"
0.348"
0.37"
0.375"
0.399"
0.4"
0.414"
0.415"
0.432"
0.433"
0.438"
0.44"
0.445"
0.452"
0.465"
1/2"
0.52"
0.521"
0.55"
0.575"
0.595"
0.600"
0.61"
0.620"
0.625"
0.676"
0.780"
8.3 mm
8.8 mm
10.5 mm
11 mm
13.5 mm
Head Height
0
.
0
7
9
"
0
.
0
8
9
"
0
.
0
9
7
"
0
.
1
"
0
.
1
1
3
"
0
.
1
1
8
"
0
.
1
3
1
"
0
.
1
3
8
"
0
.
1
4
1
"
0
.
1
5
"
0
.
1
5
1
"
0
.
1
5
2
"
0
.
1
5
7
"
0
.
1
6
"
0
.
1
6
3
"
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
Export Control Classification Number (ECCN)
EAR99
REACH
Compliant
Not Compliant
RoHS
Compliant
Not Compliant
Washer OD
0.438"
0.493"
0.5"
0.563"
0.625"
Approximate Threads per Inch
12
14
16
18
20
24
Drive Size
No. 2
No. 3
T20
T25
T27
T30
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592 Products
Fastening and Joining
Tapping Screws
Fasten a range of materials together without needing to tap the hole first
591 products
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Secure anything from signs to heavy machinery in concrete, brick, and drywall
1 product
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