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System of Measurement
Inch
Thread Size
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0-80
1-72
2-56
3-48
3-56
4-40
4-48
5-40
6-32
6-40
8-32
8-36
10-24
10-32
12-24
1/8"
-20.8
1/8"
-41.7
9/64"
-20.8
9/64"
-41.7
5/32"
-21.3
3/16"
-42.7
7/32"
-20.8
1/4"
-8
1/4"
-12
1/4"
-16
1/4"
-20
1/4"
-28
1/4"
-32
1/4"
-40
0.305"-32
5/16"
-18
5/16"
-24
5/16"
-28
5/16"
-32
3/8"
-5
3/8"
-8
3/8"
-10
3/8"
-12
3/8"
-16
3/8"
-20
3/8"
-24
3/8"
-32
3/8"
-40
7/16"
-14
7/16"
-20
7/16"
-24
7/16"
-27
7/16"
-28
0.485"-26
1/2"
-8
1/2"
-10
1/2"
-13
1/2"
-14
1/2"
-16
1/2"
-20
1/2"
-28
9/16"
-12
9/16"
-18
9/16"
-20
5/8"
-5
5/8"
-6
5/8"
-8
5/8"
-10
5/8"
-11
5/8"
-18
5/8"
-20
5/8"
-24
5/8"
-27
0.628"-14
0.628"-20
11/16"
-16
3/4"
-5
3/4"
-6
3/4"
-8
3/4"
-10
3/4"
-14
3/4"
-16
3/4"
-18
0.803"-14
13/16"
-16
13/16"
-27
13/16"
-28
0.825"-14
0.830"-14
0.855"-14
55/64"
-27
7/8"
-6
7/8"
-9
7/8"
-14
7/8"
-16
0.880"-14
0.899"-14
0.908"-14
15/16"
-16
15/16"
-27
0.960"-14
0.965"-14
1"-4
1"-5
1"-6
1"-8
1"-10
1"-12
1"-14
1"-16
1"-18
1"-20
1.035"-14
1.040"-14
1
1/16"
-12
1
1/16"
-14
1.108"-14
1.120"-14
1
1/8"
-5
1
1/8"
-7
1
1/8"
-12
1
1/8"
-14
1
1/8"
-16
1
3/16"
-12
1
1/4"
-4
1
1/4"
-5
1
1/4"
-7
1
1/4"
-12
1
5/16"
-12
1
3/8"
-4
1
3/8"
-6
1
3/8"
-12
1
3/8"
-16
1
7/16"
-12
1
1/2"
-4
1
1/2"
-5
1
1/2"
-6
1
1/2"
-10
1
1/2"
-12
1
5/8"
-12
1
3/4"
-5
1
3/4"
-12
1
7/8"
-12
1
31/32"
-18
2"-4
2"-4
1/2
2"-5
2"-12
2
1/4"
-4
2
1/4"
-12
2
1/2"
-4
2
1/2"
-12
2
35/64"
-18
3"-12
3
9/64"
-12
M1
M1.2
M1.4
M1.6
M2
M2.5
M3
M3.5
M4
M5
M6
M7
M8
M9
M10
M11
M12
M13
M14
M16
M18
M20
M22
M23
M24
M25
M26
M27
M28
M30
M32
M33
M36
M38
M40
M42
M50
M56
M60
M63
M64
M70
W 21.8
PG-7
PG-9
PG-11
PG-13.5
PG-16
PG-21
PG-29
PG-36
PG-48
Rd 24-8
Material
Stainless Steel
Steel
Length
3"
7
1/2"
Nut Type
Coupling
Hex
Fastener Strength Grade/Class
ASTM Grade B7
ASTM Grade B8
ASTM Grade 2H
SAE Grade 5
SAE Grade 8
Finish
Black Oxide
Hot-Dipped Galvanized
Zinc Plated
Width
1/2"
1
5/8"
1
7/8"
2"
2
1/2"
2
21/32"
Threading
Fully Threaded
Partially Threaded
Thread Direction
Left Hand
Right Hand
Thread Type
UNC
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
Fastener Strength Rating
Low
Medium
High
Extreme
Export Control Classification Number (ECCN)
EAR99
Hex Length
3"
7
1/2"
Coupling Nut Profile
Extra Long
Standard
Thread Spacing
Coarse
Performance
Corrosion Resistant
High Strength
OD
2
1/16"
Thread Fit
Unified Standard Class 2B
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
REACH
Compliant
Gender
Female
Male
RoHS
Compliant
Not Compliant
Specifications Met
ASTM A108
ASTM A193
ASTM A276
ASTM A521 Grade CA
ASTM A582
ASTM B633
Thread Length
3/4"
7/8"
1"
1
1/16"
3
1/2"
3
5/8"
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26 Products
Coupling Nuts
Coupling Nuts
The most commonly used coupling nuts
10 products
Left-Hand-Thread Coupling Nuts
Tighten when turned to the left
1 product
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Join threads of a different type, size, and gender
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Use with connecting rods to support loads and control steering, tensioning, or pivoting motion
5 products
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Hold and position parts on a threaded rod
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)