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Nut Type
Coupling
Round
Threading
Fully Threaded
Gender
Female
Thread Length
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
1"
6 mm
8 mm
10 mm
12 mm
16 mm
Hex Length
1
1/4"
1
3/4"
2"
2
1/4"
38 mm
54 mm
Material
Aluminum
Stainless Steel
Steel
Length
1
1/4"
Drive Style
External Hex
Thread Spacing
Extra Fine
Specifications Met
ASTM A108
ASTM A276
ASTM A582
ASTM B211
Thread Type
UNEF
Hex Size
5/8"
7/8"
1"
1
3/8"
18 mm
21 mm
Coupling Nut Profile
Standard
OD
37/64"
Thread Direction
Right Hand
Shape
Hex
For Adapting
Thread Size
DFARS Specialty Metals
Compliant
Exempt
Export Control Classification Number (ECCN)
EAR99
REACH
Compliant
RoHS
Compliant
Compliant with Exemptions
Tensile Strength
40,000 psi to 99,999 psi
Hardness
Rockwell B56
Rockwell B80
Rockwell B83
Thread Fit
Metric Class 6H
Unified Standard Class 2B
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55 Products
Coupling Nuts
Round Coupling Nuts
Fit in tight spots and create a finished appearance
1 product
Other Products
Thread Adapters
Join threads of a different type, size, and gender
54 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)