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Fastener Head Type
Flat
Rounded
System of Measurement
Inch
Metric
Screw Size
No. 0
No. 1
No. 2
No. 4
No. 5
No. 6
No. 7
No. 8
No. 10
No. 12
No. 14
3/16"
1/4"
5/16"
3/8"
1/2"
M1.6
M2
M2.2
M2.5
M2.9
M3
M3.5
M3.9
M4
M4.2
M4.8
M5
M5.5
M6.3
Length
1/8"
3/16"
1/4"
5/16"
3/8"
7/16"
1/2"
5/8"
3/4"
7/8"
1"
1
1/8"
1
1/4"
1
7/16"
1
1/2"
1
5/8"
1
3/4"
1
13/16"
Drive Style
Drilled Spanner
Phillips
Square
Tamper-Resistant Hex
Tamper-Resistant Torx
Torx
Torx Plus
Tip Type
Blunt
Drilling
Pointed
For Use In
Blocks
Bricks
Brittle Materials
Cracked Concrete
Uncracked Concrete
Brass
Cast Iron
Metal
Plastic
Sheet Metal
Stainless Steel
Steel
Wood
Soft Metal
Material
Stainless Steel
Steel
Flat Head Profile
Standard
Undercut
Thread Size
2-56
4-40
6-32
8-32
10-24
10-32
12-24
1/4"
-20
5/16"
-18
3/8"
-16
1/2"
-13
Finish
Black Oxide
Black Zinc Plated
Brass Plated
Bronze Plated
Chrome Plated
Corrosion-Resistant Coated
Galvanic Barrier Coated
Phosphate Coated
Zinc Plated
Head Diameter
0.112"
0.137"
0.162"
0.212"
0.225"
0.237"
0.257"
0.262"
0.277"
0.279"
0.287"
0.307"
0.312"
0.327"
0.332"
0.357"
0.359"
0.36"
Tapping Method
Thread Cutting
Thread Forming
Threading
Fully Threaded
Partially Threaded
Tapping Screw Type Designation
A
AB
B
BSD
C
DST
F
TRS
Drive Size
1/8"
5/32"
IP3
IP6
IP8
IP10
IP15
IP20
No. 0
No. 1
No. 2
No. 3
No. 4
No. 6
No. 8
No. 10
No. 12
T3
T5
T6
T8
T10
T15
T20
T25
T27
T30
T40
T50
T55
Countersink Angle
80°
82°
90°
Head Height
0.025"
0.031"
0.035"
0.036"
0.043"
0.047"
0.051"
0.058"
0.059"
0.062"
0.067"
0.07"
0.075"
0.081"
0.083"
0.09"
0.091"
0.092"
Approximate Threads per Inch
10
11
12
13
14
15
16
18
19
20
24
28
32
40
42
48
52
56
Drill Bit Size
5/64"
1/8"
5/32"
3/16"
7/32"
1/4"
3/8"
29/64"
1/2"
1.2 mm
1.5 mm
1.65 mm
1.85 mm
2.25 mm
2.6 mm
3 mm
3.75 mm
5.5 mm
Shank Cross Section
Round
Tri-Lobe
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
Export Control Classification Number (ECCN)
EAR99
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
REACH
Compliant
Not Compliant
RoHS
Compliant
Not Compliant
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1,462 Products
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Fastening and Joining
Wood Screws
Fasten material to wood or pieces of wood to each other
46 products
Tapping Screws
Fasten a range of materials together without needing to tap the hole first
1,323 products
Masonry and Concrete Screws
Anchor parts to masonry and concrete without tapping the hole first
93 products
Fastener Assortments
Keep a variety of common screws, nuts, and washers on hand
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)