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System of Measurement
Inch
Metric
Thread Size
2-56
4-40
4-48
6-32
6-40
8-32
8-36
10-24
10-32
1/4"
-20
1/4"
-28
1/4"
-32
5/16"
-18
5/16"
-24
5/16"
-32
3/8"
-16
3/8"
-24
3/8"
-32
1/2"
-13
1/2"
-20
1/2"
-28
5/8"
-11
3/4"
-10
M2
M2.5
M3
M3.5
M4
M5
M6
M8
M10
M12
Material
Aluminum
Brass
Buna-N
Stainless Steel
Steel
Gender
Female
Male
Hex Length
1/8"
3/16"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
3/4"
7/8"
15/16"
1"
1
1/2"
2"
2
1/4"
3.2 mm
4.8 mm
6.3 mm
6.35 mm
6.4 mm
9.5 mm
12.7 mm
19.1 mm
25 mm
25.4 mm
38.1 mm
Thread Length
1/8"
9/64"
5/32"
3/16"
13/64"
7/32"
1/4"
17/64"
9/32"
5/16"
21/64"
3/8"
7/16"
15/32"
1/2"
9/16"
19/32"
5/8"
11/16"
3/4"
13/16"
7/8"
15/16"
1"
1
1/16"
3 mm
3.2 mm
4 mm
4.8 mm
6.4 mm
7.5 mm
9.5 mm
11.1 mm
12.7 mm
14.3 mm
15.9 mm
16 mm
17.4 mm
18 mm
19 mm
22.2 mm
Hex Size
3/16"
13/64"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
3/4"
7/8"
15/16"
1"
1
1/16"
1
1/8"
1
1/4"
4.5 mm
6 mm
6.4 mm
7.9 mm
8 mm
9.5 mm
10 mm
11 mm
12.7 mm
13 mm
14 mm
16 mm
17 mm
17.4 mm
19 mm
22 mm
Pitch
0.35 mm
0.4 mm
0.45 mm
0.5 mm
0.6 mm
0.7 mm
0.75 mm
0.8 mm
1 mm
1.25 mm
1.5 mm
1.75 mm
For Adapting
Gender
Thread Size
Thread Type
Shape
Hex
Round
Drive Style
External Hex
Hex
Slotted
Tensile Strength
45,000 psi
73,000 psi
75,000 psi
78,000 psi
85,000 psi
Not Rated
Length
1/8"
1/4"
Thread Fit
Metric Class 6g
Metric Class 6H
Unified Standard Class 2A
Unified Standard Class 2B
Export Control Classification Number (ECCN)
2B999
EAR99
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Hardness
Rockwell B56
Rockwell B65
Rockwell B70
Rockwell B80
Rockwell B83
Rockwell B85
Not Rated
Specifications Met
ASTM Standard
NAS
Thread Type
BSPP
BSPT
Metric
NPT
NPTF
UNC
UNF
Universal
Finish
Black Oxide
Passivated
Zinc Plated
Zinc Yellow-Chromate Plated
REACH
Compliant
Not Compliant
Pipe Size
1/8
1/4
3/8
1/2
3/4
OD
1/4"
5/16"
27/32"
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2,425 Products
Thread Adapters
Male-Female Thread Adapters
Inch-to-Inch Male-Female Hex Thread Adapters
Change thread size and spacing
473 products
Metric-to-Metric Male-Female Hex Thread Adapters
Increase or decrease metric thread size and change the pitch
238 products
Inch-to-Metric Male-Female Hex Thread Adapters
Change inch threads to metric
770 products
Male-Female Round Universal Thread Adapters with Through Hole
Air, liquids, wire, and other thin materials flow through the hole
3 products
Slotted-Drive Male-Female Round Thread Adapters
Install and remove with a screwdriver
7 products
Inch-to-NPT Male-Female Hex Thread Adapters
Connect float balls, float rods, and valves
3 products
Inch-to-NPT Male-Female Hex Thread Adapters with Through Hole
Connect float rods to float valves with the through hole
14 products
Male Thread Adapters
Inch-to-Inch Male Hex Thread Adapters
Join two female-threaded parts with dissimilar inch thread sizes
290 products
Inch-to-Inch Male Round Thread Adapters
Finger tighten two female-threaded parts with dissimilar inch thread sizes
1 product
Inch-to-Metric Male Hex Thread Adapters
Join inch and metric female-threaded parts
482 products
Metric-to-Metric Male Round Thread Adapters
Finger tighten two female-threaded parts with dissimilar metric thread sizes
1 product
Metric-to-Metric Male Hex Thread Adapters
Join two female-threaded parts with dissimilar metric thread sizes
129 products
Male Round Universal Thread Adapters with Through Hole
Air, liquids, wire, and other thin materials flow through the hole
4 products
Inch-to-Metric Male Round Thread Adapters
Finger tighten two female-threaded parts with inch and metric thread sizes
4 products
Other Products
Standoffs
Threaded to separate or connect parts as well as position components in assemblies
12 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)