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System
of
Measurement
Inch
Metric
Thread
Type
Acme
BSPP
BSPT
Metric
NPT
UNC
UNF
For
Use
With
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Thread
Size
M
1
.
6
M
2
M
2
×
0
.
4
m
m
M
2
×
0
.
2
5
m
m
M
2
.
2
×
0
.
4
5
m
m
M
2
.
2
×
0
.
2
5
m
m
M
2
.
5
M
2
.
5
×
0
.
4
5
m
m
M
2
.
5
×
0
.
3
5
m
m
M
3
M
3
×
0
.
5
m
m
M
3
×
0
.
3
5
m
m
M
3
.
5
M
3
.
5
×
0
.
6
m
m
M
3
.
5
×
0
.
3
5
m
m
Thread
Location
External
Internal
Material
Aluminum
Brass
Carbide
Paper
Plastic
Rubber
Ruby
Stainless
Steel
Steel
Wood
Manufacturer
Interapid
Lufkin
Milwaukee
Mitutoyo
Stanley
Starrett
Number
of
Identifiers
16
22
26
28
34
51
Pipe
Size
1/8
1/4
3/8
1/2
3/4
1
1
1/4
1
1/2
2
Length
1
6
m
m
2
5
m
m
3
0
m
m
3
5
m
m
3
8
m
m
5
1
m
m
6
1
m
m
8
1
m
m
9
8
m
m
1
0
3
m
m
0
.
1
5
m
1
5
4
m
m
1
6
c
m
1
9
1
m
m
1
9
7
m
m
Connection
Location
Bottom
Center
Back
Scale
Type
Architects'
Dual
Engineers'
Single
Display
Type
Analog
Dial
Digital
LCD
Scale
Viewfinder
Screw
Size
M
2
M
2
.
2
M
2
.
5
M
3
M
3
.
5
M
4
M
4
.
5
M
5
M
5
.
5
M
6
M
7
M
8
M
9
M
1
0
M
1
1
Width
7
.
6
m
m
9
m
m
1
4
m
m
2
0
m
m
3
1
.
8
m
m
5
5
.
9
m
m
1
/
4
"
3
/
8
"
1
5
/
3
2
"
1
/
2
"
1
9
/
3
2
"
5
/
8
"
3
/
4
"
1
3
/
1
6
"
7
/
8
"
Gender
Female
Male
Thickness
0
.
0
4
m
m
0
.
0
5
m
m
0
.
0
6
m
m
0
.
0
7
m
m
0
.
0
8
m
m
0
.
0
9
m
m
0
.
1
m
m
0
.
1
5
m
m
0
.
2
m
m
0
.
2
0
3
m
m
0
.
2
5
m
m
0
.
3
m
m
0
.
3
5
m
m
0
.
4
m
m
0
.
4
5
m
m
Thread
Pitch
0
.
2
5
m
m
0
.
3
m
m
0
.
3
5
m
m
0
.
4
m
m
0
.
4
5
m
m
0
.
5
m
m
0
.
5
5
m
m
0
.
6
m
m
0
.
6
5
m
m
0
.
7
m
m
0
.
7
5
m
m
0
.
8
m
m
0
.
8
5
m
m
0
.
9
m
m
1
m
m
Shape
90°
Elbow
Rectangle
Round
Square
Straight
Triangle
Dial
Type
Balanced
Combination
Continuous
Dry
Liquid
Filled
Height
5
3
m
m
1
1
/
2
"
3
3
/
1
6
"
3
9
/
1
6
"
3
1
1
/
1
6
"
3
3
/
4
"
4
1
/
4
"
4
1
3
/
1
6
"
5
3
/
8
"
6
1
/
2
"
1
8
"
t
o
3
7
1
/
2
"
2
4
1
/
4
"
t
o
3
8
3
/
1
6
"
2
7
"
t
o
4
0
"
3
9
"
4
3
"
Dial
Diameter
2
9
/
3
2
"
1
1
5
/
3
2
"
1
1
/
2
"
1
9
/
1
6
"
1
5
/
8
"
1
1
1
/
1
6
"
1
.
7
"
2
"
2
3
/
1
6
"
2
1
/
4
"
2
9
/
3
2
"
2
3
/
8
"
2
1
/
2
"
2
1
9
/
3
2
"
4
"
Scale
Bar
Inches
of
Mercury
Inches
of
Water
Kilopascals
Megapascals
Millibars
Newtons
Pounds
Pounds
per
Square
Inch
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1,548 Products
Measuring and Inspecting
Thread Size Identifiers
Confirm your fastener's thread size, pitch, or threads per inch
16 products
Plug Gauges
Verify the diameter or threads of machined holes in finished parts; also called pin gauges
41 products
Ring Gauges
Confirm your workpiece's outer diameter or external threads are within tolerance
82 products
Flatness Gauges
Determine if the flatness of surface plates, lapping plates, and other surfaces is within tolerance
1 product
Feeler Gauges
Check gaps and alignment between machine parts and other surfaces
104 products
Variance Indicators
Identify small dimensional differences when checking part quality and alignment
110 products
Diameter Identifiers
Tighten the strap around rods, drill bits, and other small items to measure outer diameter
1 product
Radius Gauges
Check convex and concave radii of tools, patterns, and dies
2 products
Gear Tooth Gauges
Identify your gear's pressure angle, pitch, and module
2 products
Gauge Blocks
Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools
42 products
Depth Gauges
Reach into slots, counterbores, and other holes to measure depth
9 products
Height Gauges
Measure an object's height and mark workpieces for machining
16 products
Calipers
Take inside, outside, and depth measurements with more precision than a ruler
140 products
Inside Hole Calipers
Measure hard-to-reach areas, such as internal grooves and slots
11 products
Drill Bit Size Gauges
Match your drill bit to one of the holes to confirm its size
1 product
Rulers
Horizontal, vertical, circumference, center-finding, and pica rulers
265 products
Thickness Gauges
Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing
13 products
Depth Micrometers
Measure slots, counterbores, and other holes more precisely than depth gauges
11 products
Outside Micrometers
Apply even pressure to objects to measure thickness more precisely than thickness gauges
87 products
Outside Micrometer Tips
Adapt your micrometer to measure curved and irregularly shaped objects, such as gear teeth and pipe
1 product
Micrometer Check Gauges
Confirm the anvil is parallel and measure the amount of wear on your micrometer
1 product
Micrometer Heads
Mount on jigs, fixtures, and machine tools to position equipment and measure length
15 products
Variance Indicator Contact Points
Attach to your variance indicator to make contact with the workpiece being measured
12 products
Tape Measures
Standard, long, center-finding, and flexible tape measures
70 products
Laser Measurers
Point the laser to determine the distance to objects up to 700 yards away
6 products
Pipe Size Measuring Kits
Connect to pipe and fittings to determine their size without additional measuring tools
2 products
Precision Measuring Tool Kits
Multiple precision measuring tools in one convenient case
10 products
Combination Square Blades
Connect to a combination square head to create a combination square
2 products
Squares
Check 90° angles during layout work with combination, angle, or pipefitters' squares
23 products
Liquid-Level Tape Measures
Lower into deep containers, such as tanks, to check the level of oil and other fluids
27 products
Measuring Wheels
Roll along surfaces to measure distance
5 products
Staff Gauges
Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil
4 products
Inside Hole Micrometers
Find the inside diameter of cylinders and rings
3 products
Diameter Tape Measures
Wrap around circular items to measure diameter and circumference without calculating
7 products
Pipe Size Tape Measures
Curl around pipe to gauge its size, measure its diameter, or mark lines
3 products
Map Distance Measuring Tools
Slide across maps and blueprints to measure distances
4 products
Transfer Punches
Mark the center of an existing hole onto a separate workpiece
40 products
Parallel Rules
Draw parallel lines, as well as circles, arcs, and angles
1 product
Load Cells
Measure forces and send them to computers to monitor and trigger actions in machinery
16 products
Position Indicators
Track components on rotating spindles or lead screws to help adjust machinery quickly and precisely
16 products
Hardness Tester Indenters
Hard enough to make impressions on most metal to determine Brinell hardness
2 products
Fluid Handling
Pressure Gauges
Measure pressure in pumps, filters, regulators, and process lines
9 products
Pressure and Vacuum Gauges
Measure pressure and vacuum in air and fluid lines, pumps, and refrigeration systems
1 product
Pressure and Vacuum Transmitters
Convert pressure and vacuum measurements into a signal sent to remote displays and controllers
12 products
Differential Pressure Transmitters
Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays
3 products
Pressure Transmitters
Send pressure readings to controllers and remote displays
5 products
Sights
Observe and monitor the contents of pipes, tanks, and other containers
38 products
Flowmeters
Measure the flow rate of a liquid or gas
8 products
RTDs
Measure and transmit liquid, gas, and surface temperature more precisely than thermocouples
5 products
Safety Equipment
Pedometers
Record steps and miles while you walk and run
1 product
Electrical
Sensor Switches
Detect moving objects from a distance, triggering a circuit to open or close
8 products
Material Handling
Robot Tool Calibration Styli
Calibrate robot arm movement for precision in tasks such as attaching fasteners
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)