The Graco 100321 Nut is a durable 1/2-13 hex nut used in multiple Graco GrindLazer machines to secure essential components and maintain proper assembly alignment.
This Graco 100321 Nut (1/2-13 hex) is referenced across multiple GrindLazer units and related assemblies. Always verify against your unit’s parts list.
The Graco 100321 Nut is a standard 1/2-13 Hex Nut used to secure structural and accessory components on Graco equipment—commonly within the GrindLazer series. Using the exact OEM nut helps ensure proper clamping force and long-term reliability.
| Part Number | 100321 |
|---|---|
| Description | Nut, Hex — 1/2-13 UNC |
| Typical Application | Fastening/retention on GrindLazer assemblies and brackets |
| Compatibility Note | Confirm against your machine’s exploded parts diagram before ordering |
| Frequently Asked Questions | |
|---|---|
| Question | Answer |
| What is the thread of Graco 100321? | It is a 1/2-13 UNC hex nut. |
| Which machines list 100321 in their parts diagrams? | Multiple GrindLazer units, including 270, 390, 480, and models 25N658/25N659. Always verify with your specific manual. |
| Can I substitute a generic 1/2-13 nut? | A generic nut may fit, but OEM is recommended to match material and performance specs for vibration-prone applications. |
| Do I need threadlocker? | Use only if your service manual specifies it for that location. |
| How many are required per unit? | Quantity varies by assembly. Check your exploded diagram for the exact count. |
