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Thread Size
6-32
8-32
10-24
10-32
12-24
12-28
1/4"
-20
1/4"
-28
1/4"
-32
5/16"
-18
5/16"
-24
5/16"
-32
3/8"
-16
3/8"
-24
M4
M5
M6
Length
1/8"
5/32"
3/16"
1/4"
9/32"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
3/4"
7/8"
1"
Fastener Head Type
Flat
Headless
Rounded
Socket
Thumb
Material
400 Nickel
Aluminum
Beryllium Copper
Brass
Plastic
Stainless Steel
Steel
Titanium
Drive Style
Clutch
Drilled Spanner
External Hex
Hex
Phillips
Pozidriv®
Slotted
Spring Plunger Driver
Square
Tamper-Resistant Hex
Tamper-Resistant Torx
Torq-Set®
Torx
Tri-Wing®
Threading
Fully Threaded
Partially Threaded
Threaded on Both Ends
Finish
Anodized
Black Oxide
Cadmium Plated
Chrome Plated
Gold Plated
Nickel Plated
Painted
Passivated
Phosphate Coated
Plastic Coated
Silver Plated
Titanium Carbon Nitride (TiCN) Coated
Zinc Flake Coated
Zinc Plated
Socket Head Profile
High
Low
Standard
Ultra Low
Head Diameter
0.312"
5/16"
0.313"
0.324"
0.359"
0.361"
0.380"
0.411"
0.413"
0.437"
7/16"
0.438"
0.477"
0.493"
1/2"
0.531"
0.578"
5/8"
0.656"
7.59 mm
7.9 mm
8.94 mm
9.5 mm
10.49 mm
11.2 mm
13.44 mm
Thread Direction
Left Hand
Right Hand
System of Measurement
Inch
Metric
Thread Type
Metric
UNC
UNEF
UNF
UNRC
UNRF
Drive Size
Hide
0.025"
0.028"
0.031"
1/32"
0.032"
0.033"
0.035"
0.039"
0.040"
3/64"
0.047"
0.048"
0.050"
0.051"
0.055"
0.059"
0.060"
1/16"
0.063"
0.069"
0.070"
0.071"
0.072"
0.076"
5/64"
0.079"
0.080"
0.086"
3/32"
0.094"
0.096"
0.098"
0.099"
0.100"
0.102"
7/64"
0.111"
0.118"
0.119"
1/8"
0.133"
0.138"
9/64"
0.141"
0.145"
0.156"
5/32"
0.157"
0.158"
0.168"
11/64"
0.183"
3/16"
0.193"
0.216"
7/32"
15/64"
0.241"
1/4"
17/64"
9/32"
0.290"
5/16"
11/32"
0.350"
23/64"
3/8"
0.395"
7/16"
0.457"
15/32"
1/2"
9/16"
5/8"
3/4"
13/16"
7/8"
1"
1
1/4"
1
1/2"
1
3/4"
2"
0.7 mm
0.71 mm
0.89 mm
0.9 mm
1 mm
1.27 mm
1.3 mm
1.4 mm
1.5 mm
1.7 mm
1.8 mm
2 mm
2.5 mm
3 mm
3.5 mm
4 mm
4.5 mm
5 mm
5.5 mm
6 mm
6.5 mm
7 mm
8 mm
9 mm
10 mm
11 mm
12 mm
13 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
26 mm
27 mm
30 mm
32 mm
36 mm
41 mm
46 mm
50 mm
IP1
IP2
IP3
IP4
IP5
IP6
IP7
IP8
IP9
IP10
IP15
IP20
IP25
IP27
IP30
IP40
IP45
IP50
IPR10
IPR15
IPR20
IPR25
IPR27
IPR30
IPR40
M4
M5
M6
M8
M10
No. 000
No. 00
No. 0
No. 1
No. 2
No. 2 Reduced
No. 3
No. 4
No. 5
No. 6
No. 7
No. 8
No. 10
No. 12
No. 14
No. 20
PL1
PL2
PL3
PL4
PL5
PL6
PLS8
PLS15
PLS20
PLS25
PLS27
PLS30
R1
R2
R3
R4
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T15
T20
T25
T27
T30
T35
T40
T45
T50
T55
T60
TA18
TA20
TA23
TA27
U10
U25
Head Height
5/64"
0.087"
0.101"
0.107"
0.109"
7/64"
0.112"
0.114"
1/8"
0.127"
0.132"
9/64"
0.156"
5/32"
0.158"
0.161"
0.178"
0.187"
3/16"
0.19"
0.21"
0.216"
7/32"
1/4"
0.285"
7/16"
2.18 mm
2.48 mm
2.74 mm
3.1 mm
3.28 mm
3.72 mm
4.8 mm
Flat Head Profile
Standard
Undercut
Specifications Met
ASME B18.3
ASTM Standard
DIN Standard
EN 60900
Federal Specification
IEC Standard
ISO Standard
NAS
SAE Standard
Rounded Head Style
Button
Countersink Angle
82°
90°
100°
Thread Spacing
Coarse
Fine
Extra Fine
Tensile Strength
Less than 10,000 psi
10,000 psi to 19,999 psi
20,000 psi to 29,999 psi
30,000 psi to 99,999 psi
100,000 psi or greater
Not Rated
Screw Size
No. 3
No. 4
No. 5
No. 6
No. 7
No. 8
No. 9
No. 10
No. 11
No. 12
No. 14
1/4"
5/16"
3/8"
Shoulder Length
7/64"
1/8"
0.13" to 1.99"
5/32"
3/16"
7/32"
1/4"
9/32"
5/16"
11/32"
3/8"
13/32"
7/16"
15/32"
1/2"
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Not Compliant
REACH
Compliant
Not Compliant
Export Control Classification Number (ECCN)
1C998
2B999
EAR99
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2,498 Products
Fastening and Joining
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With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold
723 products
Rounded Head Screws
Sit just above the surface for a low-profile finish and hold tighter than flat head screws
340 products
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253 products
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478 products
Set Screws
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344 products
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1 product
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Thumb Screws
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1 product
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Thread Adapters
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L-Keys
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Screw Starters
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1 product
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5 products
Fixture Clamps
Secure your workpiece to a fixture table so it won't move during machining
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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)