MIDWEST FASTENER CORP
MIDWEST FASTENER CORP 03721 Hex Nut 5/8"-11 Grade 8 Zinc Yellow 10 PK
Grade 8 steel hex nuts with zinc yellow finish secure 5/8"-11 bolts in a 10 pack
- TypeNuts
- Grade 8 steel handles high-stress fastening
- Zinc yellow finish resists corrosion in tough environments
- 5/8"-11 thread fits matching bolts and studs
- 10-piece pack covers multiple installation points
- Hex shape allows standard wrench tightening
Application & Fit
These Grade 8 hex nuts secure 5/8"-11 threaded fasteners in high-stress assemblies. The yellow zinc coating resists corrosion in automotive and industrial environments. Each pack contains 10 pieces for small-scale repairs or maintenance tasks.
Thread Standard Limits
The 5/8"-11 UNC thread pitch determines compatibility with matching bolts and studs. Grade 8 strength suits heavy-duty clamping loads but requires correct torque to avoid stripping. Verify the mating fastener grade before installation to ensure joint integrity.
Critical Specification
Grade 8 rating is the single factor that decides if this nut meets your load requirement. Lower-grade hardware will not provide equivalent tensile strength for critical connections. Buyers needing metric threads or a different pitch cannot use this item.
Highlights
- Grade 8 steel handles high-stress fastening
- Zinc yellow finish resists corrosion in tough environments
- 5/8"-11 thread fits matching bolts and studs
- 10-piece pack covers multiple installation points
- Hex shape allows standard wrench tightening
Specifications
| Brand | MIDWEST FASTENER |
|---|---|
| Type | Nuts |
Questions about this item
How many hex nuts are in the 10 PK pack?
The pack contains 10 hex nuts, each sized 5/8"-11 and rated Grade 8 with a zinc yellow finish.
What does the Grade 8 rating mean for these nuts in a real assembly?
Grade 8 indicates high tensile strength steel suitable for heavy-duty fastening on Grade 8 bolts in automotive and structural applications.
What thread standard does the 5/8"-11 size follow and what does it cap?
The 5/8"-11 thread follows Unified National Coarse standard, limiting use to matching 5/8"-11 bolts and studs.
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