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System of Measurement
System of Measurement
Inch
Thread Size
Thread Size
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Material
Material
Steel
Nut Type
Nut Type
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Locknut
Nut Type
Nut Type
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HexLocknut
Locking Type
Locking Type
Nylon InsertCotter Pin
Steel Insert
Hex Nut Profile
Hex Nut Profile
StandardExtra-Wide
Thin
Fastener Strength Grade/Class
Fastener Strength
Grade/Class
click to learn more about
click to learn more about Grade 5
click to learn more about Grade 8
Grade 5Grade 8
click to learn more about Grade C
Grade C
Width
Width
default
3"
3 1/8"
3 9/64"
Thread Direction
Thread Direction
Thread Spacing
Thread Spacing
Extra Fine
Thread Fit
Thread Fit
Class 2B
Drive Style
Drive Style
External Hex
Insert Maximum Temperature
Insert Maximum Temperature
220° F
250° F
Thread Type
Thread Type
UN12
For Cotter Pin Diameter
For Cotter Pin Diameter
3/8"
Minimum Slot Depth
Minimum Slot Depth
0.485"
Minimum Slot Width
Minimum Slot Width
0.43"
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6 Products

High-Strength Steel Nylon-Insert Locknuts—Grade 8

High-Strength Steel Extra-Wide
Thin Nylon-Insert Locknuts

Low-Strength Steel Locknuts for use with Cotter Pins

Steel-Insert Locknuts for Extreme Vibration—Grade 5