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System of Measurement
Inch
Metric
Thread Size
0-80
1-64
1-72
2-56
2-64
3-48
3-56
4-36
4-40
4-48
5-40
5-44
6-32
6-36
6-40
8-32
8-36
8-40
For Use With
Alcohol-Based Solvents
Bolts
Breathable Air
Drill Bits
Grease Fittings
Liquids
Nuts
Pins
Pipe
Rivets
Screws
Surfaces
Threaded Rods
Acetylene
Air
Argon
Argon/Carbon Dioxide Blend
Benzene
Thread Type
Hide
Acme
BSF
BSPP
BSPT
BSW
GHT
Metric
Metric Trapezoidal
NGO
NPSM
NPT
NPTF
PG
SAE-LT
Schrader
UN/UNF (SAE 45°)
UN/UNF (SAE Straight)
UNC
UNEF
UNF
UNS
Screw Size
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6
No. 8
No. 10
No. 12
1/8"
5/32"
3/16"
7/32"
1/4"
9/32"
5/16"
Diameter
0.073"
0.086"
3/32"
0.112"
1/8"
0.138"
5/32"
0.164"
3/16"
7/32"
1/4"
9/32"
5/16"
1
1/4"
3
1/4"
4
1/8"
4
3/4"
Material
Aluminum
Brass
Glass
Plastic
Rubber
Stainless Steel
Steel
Thread Location
External
Internal
Height
13/16"
1
3/16"
1
1/4"
1
7/16"
1
1/2"
2
3/16"
2
3/8"
2
1/2"
2
3/4"
3"
3
1/16"
3
3/4"
3
7/8"
4"
4
1/4"
4
5/8"
5
1/8"
5
5/8"
Thread Fit
Unified Standard Class 2A
Unified Standard Class 2B
Unified Standard Class 3A
Unified Standard Class 3B
Width
7/16"
1/2"
11/16"
3/4"
15/16"
1"
1
3/16"
1
1/4"
1
7/16"
1
1/2"
1
7/8"
2"
2
3/8"
3"
8
1/2"
Pipe Size
1/8
1/4
3/8
Gender
Female
Male
Connection Location
Bottom
Center Back
Gauge Measurement Type
Go
No-Go
Drill Bit Size
7/32"
1/4"
9/32"
5/16"
53
51
50
48
47
45
43
42
39
38
37
36
35
33
30
29
28
25
23
21
19
16
14
13
10
8
3
F
I
Manufacturer
Parker
Starrett
Thread Pitch
0.4 mm
0.5 mm
0.6 mm
0.7 mm
0.75 mm
0.8 mm
0.9 mm
1 mm
1.25 mm
1.5 mm
1.75 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
Export Control Classification Number (ECCN)
EAR99
REACH
Compliant
Not Compliant
Thickness
3/64"
5/64"
1/4"
1/2"
DFARS Specialty Metals
Exempt
RoHS
Compliant
Compliant with Exemptions
Not Compliant
Container Type
Folding Case
Pouch
Number of Identifiers
22
27
28
30
51
Fitting Connection
37° Flared
Threaded
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668 Products
Measuring and Inspecting
Thread Size Identifiers
Confirm your fastener's thread size, pitch, or threads per inch
19 products
Plug Gauges
Verify the diameter or threads of machined holes in finished parts; also called pin gauges
137 products
Ring Gauges
Confirm your workpiece's outer diameter or external threads are within tolerance
216 products
Threaded Hole Location Gauges
Pinpoint the true center of threaded holes to precisely align and measure parts
20 products
Load Cells
Measure forces and send them to computers to monitor and trigger actions in machinery
92 products
Refrigerant Pressure Testing Manifolds
Monitor refrigerant pressure when servicing air conditioning systems
1 product
Fluid Handling
Pressure Gauges
Measure pressure in pumps, filters, regulators, and process lines
3 products
Pressure Indicators
Turn green when your compressed air line reaches a certain psi
1 product
Pressure Transmitters
Send pressure readings to controllers and remote displays
4 products
Pressure-Regulating Valves
Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment
63 products
Liquid-Level Gauges
Monitor fluid levels in containers
68 products
Thermocouples
Measure and transmit liquid, gas, and surface temperature
2 products
Noncontact Temperature Sensors
Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)