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About Hex Nuts
Choose a hex nut with the right profile, material, and strength for your application.
Mil. Spec. Hex Nuts
These nuts are manufactured and tested to strict U.S. military standards for material and construction.
Medium-Strength Steel
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These Grade 5 or Class 8 nuts are your go-to for fastening most machinery and equipment. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
Cadmium Yellow-Chromate-Plated Steel— The plating creates a barrier against rust, so these nuts are suitable for most wet and outdoor environments. They also thread on smoothly without sticking.
Thread Size | Wd. | Ht. | Mil. Spec. | Fastener Strength Grade/Class | Specs. Met | Pkg. Qty. | Pkg. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Cadmium Yellow-Chromate-Plated Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
3/8"-24 | 9/16" | 21/64" | MS51968-8 | SAE Grade 5 | Fed. Spec. FF-N-836 | 10 | 94575A360 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() Mil. Spec. Cadmium Chromate Plated Steel Hex Nut, Grade 5, 3/8"-24 Thread Size, MS51968-8 Pack of 10Delivers tomorrow 7-9 am | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||