Product description
Applied Materials 0020-30302 is identified as an aluminum socket-head machine screw, size 4-40 x 0.25 inch length, and may appear in a chuck spares kit context.
Specifications and identifiers
fastener
| Thread and length | 4-40 x 0.25 in |
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| Material | Aluminum |
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kit context
| Kit association | May be included in a generic chuck spares kit Do not treat kit compatibility as confirmed without kit documentation. |
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Equipment context
- Applied Materials generic chuck spares kit
Applications
chuck hardware kitsmechanical fasteningsemiconductor tool service kitssmall hardware replacementchuck service kit contentsmechanical fastening in tool assemblies
How it works
A socket-head machine screw is a threaded fastener with an internal hex drive.
Exact thread, length, material, head style, and cleanliness matter when the fastener is used in a process chamber or chuck kit.
Technical guide
aluminum
Lightweight non-ferrous material; process use requires confirming grade and cleanliness.
- 4-40
- UNC thread size frequently used for small machine screws.
What to verify before purchase
- thread gauge and length
- material/alloy
- head style
- quantity required
- cleanroom packaging and contamination requirements
Confirm with the seller
- serial number
- firmware or revision unless specifically marked
- working condition
- complete tool compatibility beyond the named platform context
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.